The latest study on Thursday (February 17) said that protection against Covid from being previously infected lasts at least as long as that offered by vaccination. The study published in the Lancet Journal said that 10 months after getting Covid, people still had an 88 per cent lower risk of re-infection, hospitalisation and death. This made natural immunity at least as durable, if not more so than two doses of Pfizer or Moderna's vaccines against the virus.&nbsp;

"Although protection from re-infection from all variants wanes over time, our analysis of the available data suggests that the level of protection afforded by previous infection is at least as high, if not higher than that provided by two-dose vaccination using high-quality mRNA vaccines," the study, led by the Institute for Health Metrics and Evaluation (IHME) said. The researchers reviewed 65 studies from 19 countries up to September last year, which would mean some studies covered the period when infections of the Omicron variant were seen.&nbsp;

ALSO READ |&nbsp;<a href="https://www.wionews.com/world/as-covid-cases-in-china-decline-country-declares-decisive-win-over-the-virus-562904">As Covid cases in China decline, country declares 'decisive win' over the virus</a>

Omicron proved to be more contagious than previous strains, but less severe.

"Our meta-analyses showed that protection from past infection and any symptomatic disease was high for ancestral, alpha, beta, and delta variants, but was substantially lower for the omicron BA.1 variant," Thursday's study said. Sharing the findings, the study said that pooled effectiveness against re-infection by Omicron BA.1 variant was 45.3 per cent, and 44 per cent against omicron BA.1 symptomatic disease.

It added the mean pooled effectiveness was greater than 78 per cent against severe disease (hospitalisation and death) for all variants including Omicron BA.1. The protection from re-infection from ancestral, alpha and delta variants declined over time but remained at 78.6 per cent at 40 weeks. But the protection against re-infection by Omicron BA.1 declined more rapidly and was estimated at 36.1 per cent at 40 weeks.&nbsp;

Thursday's study also pointed out that protection against severe disease remained high for all variants with 90.2 per cent for ancestral, alpha, and delta variants and 88.9 per cent for Omicron BA.1 at 40 weeks.&nbsp;

Caroline Stein of the IHME, who is a co-author of the study, said in a statement that vaccines continue to be important for everyone to protect high-risk populations such as those who are over 60 years of age and those with comorbidities, news agency AFP reported on Friday.&nbsp;

Meanwhile, Cheryl Cohen, an epidemiologist at South Africa's National Institute for Communicable Diseases, said that in the long run, most infections would occur in people with strong protection against severe disease because of previous infection, vaccination, or both. "These results suggest that similar to other human coronaviruses, there might be a low seasonal hospitalisation burden," Cohen added.&nbsp;

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The latest study on Thursday (February 17) said that protection against Covid from being previously infected lasts at least as long as that offered by vaccination.

The latest study on Thursday (February 17) said that protection against Covid from being previously infected lasts at least as long as that offered by vaccination. The study published in the Lancet Journal said that 10 months after getting Covid, people still had an 88 per cent lower risk of re-infection, hospitalisation and death. This made natural immunity at least as durable, if not more so than two doses of Pfizer or Moderna's vaccines against the virus. "Although protection from re-infection from all variants wanes over time, our analysis of the available data suggests that the level of protection afforded by previous infection is at least as high, if not higher than that provided by two-dose vaccination using high-quality mRNA vaccines," the study, led by the Institute for Health Metrics and Evaluation (IHME) said. The researchers reviewed 65 studies from 19 countries up to September last year, which would mean some studies covered the period when infections of the Omicron variant were seen. ALSO READ | As Covid cases in China decline, country declares 'decisive win' over the virus Omicron proved to be more contagious than previous strains, but less severe. "Our meta-analyses showed that protection from past infection and any symptomatic disease was high for ancestral, alpha, beta, and delta variants, but was substantially lower for the omicron BA.1 variant," Thursday's study said. Sharing the findings, the study said that pooled effectiveness against re-infection by Omicron BA.1 variant was 45.3 per cent, and 44 per cent against omicron BA.1 symptomatic disease. It added the mean pooled effectiveness was greater than 78 per cent against severe disease (hospitalisation and death) for all variants including Omicron BA.1. The protection from re-infection from ancestral, alpha and delta variants declined over time but remained at 78.6 per cent at 40 weeks. But the protection against re-infection by Omicron BA.1 declined more rapidly and was estimated at 36.1 per cent at 40 weeks. Thursday's study also pointed out that protection against severe disease remained high for all variants with 90.2 per cent for ancestral, alpha, and delta variants and 88.9 per cent for Omicron BA.1 at 40 weeks. Caroline Stein of the IHME, who is a co-author of the study, said in a statement that vaccines continue to be important for everyone to protect high-risk populations such as those who are over 60 years of age and those with comorbidities, news agency AFP reported on Friday. Meanwhile, Cheryl Cohen, an epidemiologist at South Africa's National Institute for Communicable Diseases, said that in the long run, most infections would occur in people with strong protection against severe disease because of previous infection, vaccination, or both. "These results suggest that similar to other human coronaviruses, there might be a low seasonal hospitalisation burden," Cohen added. WATCH WION LIVE HERE You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here.

Study says natural immunity from Covid offers same protection as vaccination

More than 500 million instances of SARS-CoV-2 infection have been documented worldwide as of April 2022. Do you remember the initial days of the pandemic? The panic, the deaths, the loss? Even after battling COVID-19 for more than two years, we are yet to be rid of it.

As per a new study, the coronavirus may be here to stay and like so many other things that are just a little bit more problematic for women, this virus seems to affect the fairer gender worse.&nbsp;

Also read |&nbsp;<a href="https://www.wionews.com/world/traditional-chinese-medicine-to-fight-covid-chinas-health-platform-disagrees-472325" hreflang="en">Traditional Chinese medicine to fight COVID-19? China's health platform disagrees</a>

The study says that for patients with long COVID, there are no effective pharmacological or non-pharmacological therapies.&nbsp;

Even after a year of infection and subsequent hospitalisation, not even one in four people can report a full recovery. This indicates that the virus is here to stay and it is on its way to becoming a common condition.

"Without effective treatments, long Covid could become a highly prevalent new long-term condition," said Christopher Brightling of the University of Leicester, one of the study's co-leads.

Watch |&nbsp;COVID-19 case spike in South Africa: One new death reported

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The study of over 2,300 persons also discovered that women were 33 per cent less likely than men to fully recover.

The research looked at the health of 807 persons who were discharged with Covid from 39 British hospitals between March 2020 and April 2021 and then assessed their recovery five months and one year later.

According to the study published in the Lancet Respiratory Medicine journal, only 26 per cent of patients reported complete recovery after five months, and that figure rose only marginally to 28.9 per cent after a year.

Also read |&nbsp;<a href="https://www.wionews.com/world/hong-kong-reopens-venues-extends-dining-hours-as-covid-cases-fall-472654" hreflang="en">Hong Kong reopens venues, extends dining hours as covid cases fall</a>

"The limited recovery from five months to one year after hospitalisation in our study across symptoms, mental health, exercise capacity, organ impairment and quality-of-life is striking," said Rachel Evans of the National Institute for Health and Care Research, study co-leader.

Fatigue, muscle ache, poor sleep, physical slowdown, and breathlessness were the most prevalent long-Covid effects.

(With inputs from agencies)

More than 500 million instances of SARS-CoV-2 infection have been documented worldwide as of April 2022. Do you remember the initial days of the pandemic? The panic, the deaths, the loss?

More than 500 million instances of SARS-CoV-2 infection have been documented worldwide as of April 2022. Do you remember the initial days of the pandemic? The panic, the deaths, the loss? Even after battling COVID-19 for more than two years, we are yet to be rid of it. As per a new study, the coronavirus may be here to stay and like so many other things that are just a little bit more problematic for women, this virus seems to affect the fairer gender worse. Also read | Traditional Chinese medicine to fight COVID-19? China's health platform disagrees The study says that for patients with long COVID, there are no effective pharmacological or non-pharmacological therapies. Even after a year of infection and subsequent hospitalisation, not even one in four people can report a full recovery. This indicates that the virus is here to stay and it is on its way to becoming a common condition. "Without effective treatments, long Covid could become a highly prevalent new long-term condition," said Christopher Brightling of the University of Leicester, one of the study's co-leads. Watch | COVID-19 case spike in South Africa: One new death reported The study of over 2,300 persons also discovered that women were 33 per cent less likely than men to fully recover. The research looked at the health of 807 persons who were discharged with Covid from 39 British hospitals between March 2020 and April 2021 and then assessed their recovery five months and one year later. According to the study published in the Lancet Respiratory Medicine journal, only 26 per cent of patients reported complete recovery after five months, and that figure rose only marginally to 28.9 per cent after a year. Also read | Hong Kong reopens venues, extends dining hours as covid cases fall "The limited recovery from five months to one year after hospitalisation in our study across symptoms, mental health, exercise capacity, organ impairment and quality-of-life is striking," said Rachel Evans of the National Institute for Health and Care Research, study co-leader. Fatigue, muscle ache, poor sleep, physical slowdown, and breathlessness were the most prevalent long-Covid effects. (With inputs from agencies)

Covid is here to stay and it affects women worse than men, says study

According to a UK study, <a href="https://www.wionews.com/world/china-expands-vaccinating-drive-among-school-kids-to-contain-virus-surge-402773">coronavirus</a> infection impacts intelligence levels among recovered patients.

The UK study conducted among 81,337 people found that those who were affected by the virus found it difficult to complete tasks linked to problem-solving, reasoning and spatial planning.&nbsp;

Watch:

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The report said "brain fog" and concentration problems were common among patients with cognitive decline linked to the seriousness of the virus among patients. The research found those who were placed on placed on ventilator support&nbsp;showed more pronounced effects as their IQ points dipped.

High fever and respiratory problems were also associated with psychological symptoms including cognitive decline, The Lancet - EclinicalMedicine' study concluded.

The report said brain fog was associated with self-reported broad psychological symptoms including low energy, problems concentrating, disorientation and difficulty finding the right words.

"The COVID-19 patients can develop a range of neurological complications including those arising from stroke, encephalopathies, inflammatory syndrome, microbleeds and autoimmune responses," it said. &nbsp;

The Lancet report said "long COVID" symptoms persisting into the chronic phase and case studies reveal neurological problems in severely affected patients.

Those who had recovered from COVID-19 displayed objective cognitive deficits when performing tests of attention, working memory, 
and emotional processing, the report said.

The study published by Lancet found that the deficits were of substantial effect in people who were hospitalised with confirmed&nbsp;COVID-19 infection including for those in&nbsp;non-hospitalised cases.

(With inputs from Agencies)

According to a UK study, coronavirus infection impacts intelligence levels among recovered patients. The UK study conducted among 81,337 people found that those who were affected by the virus found it difficult to complete tasks linked to problem-solving, reasoning and spatial planning.

According to a UK study, coronavirus infection impacts intelligence levels among recovered patients. The UK study conducted among 81,337 people found that those who were affected by the virus found it difficult to complete tasks linked to problem-solving, reasoning and spatial planning. Watch: The report said "brain fog" and concentration problems were common among patients with cognitive decline linked to the seriousness of the virus among patients. The research found those who were placed on placed on ventilator support showed more pronounced effects as their IQ points dipped. High fever and respiratory problems were also associated with psychological symptoms including cognitive decline, The Lancet - EclinicalMedicine' study concluded. The report said brain fog was associated with self-reported broad psychological symptoms including low energy, problems concentrating, disorientation and difficulty finding the right words. "The COVID-19 patients can develop a range of neurological complications including those arising from stroke, encephalopathies, inflammatory syndrome, microbleeds and autoimmune responses," it said. The Lancet report said "long COVID" symptoms persisting into the chronic phase and case studies reveal neurological problems in severely affected patients. Those who had recovered from COVID-19 displayed objective cognitive deficits when performing tests of attention, working memory, and emotional processing, the report said. The study published by Lancet found that the deficits were of substantial effect in people who were hospitalised with confirmed COVID-19 infection including for those in non-hospitalised cases. (With inputs from Agencies)

Coronavirus infection impacts intelligence levels in recovered patients: Study

As PM <a href="https://www.wionews.com/world/time-to-get-closer-to-normal-life-uk-targets-lifting-of-covid-curbs-on-july-19-397696">Boris Johnson's</a> government gets set to reopen Britain on July 19 removing most of the coronavirus restrictions, Lancet medical journal has said despite the vaccination, "exponential growth will probably continue until millions more people are infected, leaving hundreds of thousands of people with long-term illness and disability."

The UK government had declared on Monday that it would now take the "next step" in its roadmap on July 19 as it seeks to restart various sectors of the economy while removing most social distancing norms.

Watch:

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Lancet however warned that "high rates of transmission in schools and in children will lead to significant educational disruption". The journal said the root cause of educational disruption is transmission, not isolation.

The British government had delayed the reopening deadline by up to four weeks as it sought to <a href="https://www.wionews.com/world/covid-19-johnson-johnson-vaccine-can-cause-rare-neurological-complication-warns-us-fda-397718">vaccinate</a> more people. Britain has now fully vaccinated up to two-thirds of the population with nightclubs and other venues set to reopen.

However, Britain has been witnessing an average of over 30,000 fresh coronavirus cases daily with the Delta variant being the dominant strain in England.

Health secretary Sajid Javid had earlier stated that COVID-19 cases could reach 100,000 a day in the coming months.

Lancet said, "preliminary modelling data9 suggest the government's strategy provides fertile ground for the emergence of vaccine-resistant variants while adding,"The link between cases and hospital admissions has not been broken and rising case numbers will inevitably lead to increased hospital admissions, applying further pressure at a time when millions of people are waiting for medical procedures and routine care."

Further, the medical journal said: "Any strategy that tolerates high levels of infection to be both unethical and illogical." Lancet urged the UK government to reconsider its current strategy and take urgent steps to protect the public, including children while adding that the government is "embarking on a dangerous and unethical experiment" as it urged a "pause" on plans to abandon mitigations on July 19.

Lancet said the government should look to reopen only when all adults including adolescents have been vaccinated which will ensure further restrictions and lockdowns wouldn't be required in the autumn.

PM Johnson had however said that it was "as good a time as any" to reopen, although he cautiously added, "I cannot say this powerfully or emphatically enough: this pandemic is not over."

(With inputs from Agencies)

As PM Boris Johnson's government gets set to reopen Britain on July 19 removing most of the coronavirus restrictions, Lancet medical journal has said despite the vaccination, "exponential growth will probably continue until millions more people are infected, leaving hundreds of thousands of people with long-term illness and disability.

As PM Boris Johnson's government gets set to reopen Britain on July 19 removing most of the coronavirus restrictions, Lancet medical journal has said despite the vaccination, "exponential growth will probably continue until millions more people are infected, leaving hundreds of thousands of people with long-term illness and disability." The UK government had declared on Monday that it would now take the "next step" in its roadmap on July 19 as it seeks to restart various sectors of the economy while removing most social distancing norms. Watch: Lancet however warned that "high rates of transmission in schools and in children will lead to significant educational disruption". The journal said the root cause of educational disruption is transmission, not isolation. The British government had delayed the reopening deadline by up to four weeks as it sought to vaccinate more people. Britain has now fully vaccinated up to two-thirds of the population with nightclubs and other venues set to reopen. However, Britain has been witnessing an average of over 30,000 fresh coronavirus cases daily with the Delta variant being the dominant strain in England. Health secretary Sajid Javid had earlier stated that COVID-19 cases could reach 100,000 a day in the coming months. Lancet said, "preliminary modelling data9 suggest the government's strategy provides fertile ground for the emergence of vaccine-resistant variants while adding,"The link between cases and hospital admissions has not been broken and rising case numbers will inevitably lead to increased hospital admissions, applying further pressure at a time when millions of people are waiting for medical procedures and routine care." Further, the medical journal said: "Any strategy that tolerates high levels of infection to be both unethical and illogical." Lancet urged the UK government to reconsider its current strategy and take urgent steps to protect the public, including children while adding that the government is "embarking on a dangerous and unethical experiment" as it urged a "pause" on plans to abandon mitigations on July 19. Lancet said the government should look to reopen only when all adults including adolescents have been vaccinated which will ensure further restrictions and lockdowns wouldn't be required in the autumn. PM Johnson had however said that it was "as good a time as any" to reopen, although he cautiously added, "I cannot say this powerfully or emphatically enough: this pandemic is not over." (With inputs from Agencies)

UK government embarking on dangerous and unethical experiment, says Lancet on July 19 reopening plans

As voters turn out in huge numbers in the <a href="https://www.wionews.com/topics/us-election">US elections</a>, medical journal Lancet said: "with so much loss and still more at stake, the 2020 presidential election is the opportune moment for the American electorate to embrace change for the better, to reject the stagnancy of complacency, to exchange a view bereft of intention with a vision of progress."

Watch:

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Lancet stated that "under the banner of making America great again, the <a href="https://www.wionews.com/world/trumps-hard-line-immigration-policies-go-before-voters-339028">Trump</a> administration has pursued regressive nationalist policies" while rolling back protection for individuals and the environment.

The journal also slammed the <a href="https://www.wionews.com/world/us-election-2020-president-donald-trumps-wildest-prediction-till-date-338554">Trump</a> administration for "withdrawing from international agreements and multilateral organisations, such as WHO".

<a href="https://www.wionews.com/world/white-house-backtracks-on-listing-ending-coronavirus-as-donald-trumps-achievement-338920">Also Read:&nbsp;White House backtracks on listing 'ending coronavirus' as Donald Trump's achievement</a>

"Led by a relentless agenda of deregulation and dysregulation, America has retreated from its once prominent position of leadership and abandoned its beneficence," it said, adding, "With the election, Americans have the power to address these issues, both at home and around the world, by eschewing the falsehood of nostalgia."

Lancet said the US leads &nbsp;the world in <a href="https://www.wionews.com/world/us-records-more-than-90000-coronavirus-cases-in-24-hours-338894">COVID-19</a> infections with over 9 million cases and 225 000 deaths, stating that "23 million Americans have filed for unemployment, while an estimated 14 million Americans and their dependents have lost employer-sponsored health coverage during the greatest public health crisis in a century."

The health journal stated that there was "perceived diminished responsibility of the federal government, and political interference with crucial public health apparatus (most markedly the Centers for Disease Control and Prevention) have culminated in the disastrous US response to the coronavirus pandemic."

It said there was an absence of "comprehensive health infrastructure" in the <a href="https://www.wionews.com/world/us-election-2020-the-controversy-behind-early-voting-338288">United States</a>.

"Conservatives continue to attempt, out of ideology and opposition, to dismantle the Affordable Care Act. Americans need equitable individual access to quality health care that is supported by efficient and autonomous public health governance, both as a matter of health security and as a matter of human rights."

Lancet said: "The USA in 2020 continues to experience unrest borne out of these still-open wounds: violence against people of colour, vast income inequality, immigration restrictions, and gender barriers, as well as a continuing devaluation of science."&nbsp;

As voters turn out in huge numbers in the US elections, medical journal Lancet said: "with so much loss and still more at stake, the 2020 presidential election is the opportune moment for the American electorate to embrace change for the better, to reject the stagnancy of complacency, to exchange a view bereft of intention with a vision of progress.

As voters turn out in huge numbers in the US elections, medical journal Lancet said: "with so much loss and still more at stake, the 2020 presidential election is the opportune moment for the American electorate to embrace change for the better, to reject the stagnancy of complacency, to exchange a view bereft of intention with a vision of progress." Watch: Lancet stated that "under the banner of making America great again, the Trump administration has pursued regressive nationalist policies" while rolling back protection for individuals and the environment. The journal also slammed the Trump administration for "withdrawing from international agreements and multilateral organisations, such as WHO". Also Read: White House backtracks on listing 'ending coronavirus' as Donald Trump's achievement "Led by a relentless agenda of deregulation and dysregulation, America has retreated from its once prominent position of leadership and abandoned its beneficence," it said, adding, "With the election, Americans have the power to address these issues, both at home and around the world, by eschewing the falsehood of nostalgia." Lancet said the US leads the world in COVID-19 infections with over 9 million cases and 225 000 deaths, stating that "23 million Americans have filed for unemployment, while an estimated 14 million Americans and their dependents have lost employer-sponsored health coverage during the greatest public health crisis in a century." The health journal stated that there was "perceived diminished responsibility of the federal government, and political interference with crucial public health apparatus (most markedly the Centers for Disease Control and Prevention) have culminated in the disastrous US response to the coronavirus pandemic." It said there was an absence of "comprehensive health infrastructure" in the United States. "Conservatives continue to attempt, out of ideology and opposition, to dismantle the Affordable Care Act. Americans need equitable individual access to quality health care that is supported by efficient and autonomous public health governance, both as a matter of health security and as a matter of human rights." Lancet said: "The USA in 2020 continues to experience unrest borne out of these still-open wounds: violence against people of colour, vast income inequality, immigration restrictions, and gender barriers, as well as a continuing devaluation of science."

'Embrace change for the better': Medical journal Lancet slams Trump's policies

The debate is raging again. This time more than hundred scientists have questioned the authenticity of the much-hyped Lancet study. After the Lancet report, the World Health Organisation(WHO) had decided to suspend HCQ trials.

The debate is raging again. This time more than hundred scientists have questioned the authenticity of the much-hyped Lancet study. After the Lancet report, the World Health Organisation(WHO) had decided to suspend HCQ trials. The study had said the drug increased the risk of death. Now, The Lancet medical journal is itself concerned about the findings. Hydroxychloroquine was called a miracle drug and then a potential killer. What changed the verdict was The Lancet study. It claimed HCQ led to a higher risk of death and caused an irregular heartbeat. Soon, the drug's fame evaporated. The WHO suspended HCQ trials. Now, more than hundred scientists have questioned The Lancet study that called the drug dangerous. The Lancet medical journal has also alerted its readers. It is like the retraction of an incorrectly made comment and now serious scientific questions have been raised. Rightly put it's an expression of concern. The journal is now commissioning an independent audit of the data but the scientists want the WHO to carry out the checks. The Lancet study involved 96,000 COVID-19 patients spread across six continents. It involved patients from as many as 671 hospitals with 15,000 patients given doses of HCQ. The study found patients were at a greater risk of dying. They were also at a higher risk of developing abnormal heart rhythm. Now the question is: what made scientists doubt The Lancet study? The haste with which it was conducted analysing data, writing the paper and peer reviews -- all completed in five weeks much faster than usual. The authors have refused to identify any of the hospitals that contributed to patient data or name the countries where they were located. A data scientist has even called the study fabrication of data. Moreover, one of the authors is also the founder of Surgisphere which is a Chicago-based medical data analytics company. The study entirely relied on the data provided by the firm. Now, the affiliation has come under the scanner. The Lancet medical journal had to issue corrections after they got the death toll wrong. However, the WHO acted on this report and suspended the study on HCQ. India strongly opposed the suspension of trials. The Indian council of medical research(ICMR) has consistently backed the use of HCQ. ICMR studies have shown the positive effect of HCQ as a preventive drug. In a recent study, ICMR found that HCQ with personal protective equipment together cut COVID-19 risk by 80 per cent. Essentially, ICMR findings are contrary to The Lancet study. Studies in India found no side-effects other than nausea, vomiting and occasional palpitation. The drug has been in use for nearly 100 years in various avatars. It is also used for some other diseases such as lupus, rheumatoid arthritis and type-2 diabetes. The drug's uses and dangers are well-known. As ICMR said right dosage and monitoring should do the trick. but, let's place our trust in the scientific community to tell us more.

Is hydroxychloroquine a 'miracle' drug or a death pill?

A group consisting of 140 scientists and physicians has spoken out against a study published in The Lancet that found an association between the use of the drug hydroxychloroquine

Lancet's HCQ study comes under scanner