H1N1 influenza, commonly known as swine flu, is seeing a sharp rise in Delhi, with around 1,300 cases reportedly recorded in the national capital. The figure is nearly six times higher than the 229 cases reported during the same period last year.

The rise comes amid changing weather conditions during the monsoon season. Doctors say common symptoms can include fever, sore throat, nasal discharge, dry cough and headache, while most infections are generally mild.

However, health experts caution that certain groups, including elderly people, children and those with underlying conditions, can face a higher risk of complications.

Authorities have issued public health advice, including covering the mouth and nose while coughing or sneezing, maintaining hand hygiene, avoiding crowded places when symptomatic and seeking medical attention if serious symptoms develop.

Swine Flu Cases Surge In Delhi: H1N1 Cases Rise Nearly Sixfold, Over 1,300 Reported

Over the past few weeks, India has been witnessing a rise in influenza cases. Flu cases in the country's national capital are also witnessing a spike. As per a PTI report, hospitals in New Delhi are witnessing a close to 150 per cent spike in cases of the H3N2 virus. Amid the spike, a fatality is being reported from the country's financial capital Mumbai. If verified, it will bring the nation's death toll due to&nbsp;the H3N2 virus to three.

As per doctors, the influenza virus triggers symptoms like fever, cold and body aches, and in some cases causes a persistent cough that can make patients extremely weak.&nbsp;According to a Zee News report, in India, two Influenza 'A' type strains are behind this rise in flu cases. H3N2 has emerged as the dominant subtype of flu, it is followed by H1N1.

Watch |&nbsp;India: Two die as H3N2 influenza cases rise

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The nation has already confirmed two deaths due to H3N2, and as per reports, there has been another death.&nbsp;

As per reports, the alleged third death is of a 23-year-old MBBS student. The man, a student at a private institution, is believed to have caught the virus while out with friends. Reportedly, his health deteriorated after coming back from a trip to Alibaug in Konkan. Post Mortem&nbsp;found traces of the H3N2 virus in his blood.&nbsp;However, the&nbsp;fatality is yet to be verified.&nbsp;

Earlier&nbsp;too, there were claims of another&nbsp;fatality. Reports claimed that the death happened in Vadodara,&nbsp;Gujarat.&nbsp;

Of the two previously verified deaths, one was reported from Haryana, the other from Karnataka.

Also read |&nbsp;<a href="https://www.wionews.com/india-news/india-reports-third-death-from-h3n2-in-indian-state-of-gujarat-571891">India reports third death from H3N2 flu, this time in Gujarat state</a>

Talking to PTI about the current strain, Dr Vikas Deswal, Senior Consultant, Internal Medicine, Medanta, Gurugram said the influenza virus is the most prevalent virus that affects our respiratory system.

He explained that the virus is present in three different types: A, B, and C.

"Among these, subtype A is the most commonly found. One subtype of the influenza A virus is H3N2, which produces symptoms similar to other flu viruses such as cough, fever, cold, sore throat, fatigue, muscle pain, and respiratory complications, especially in children under two years, the elderly, and those with other medical conditions," he said.

Also read |&nbsp;<a href="https://www.wionews.com/india-news/h3n2-influenza-india-witnesses-two-virus-related-deaths-570665">H3N2 Influenza changing pattern unexpectedly: Experts warn more hospitalisations</a>

Deswal caution that the virus can mutate over time and that antibiotics are not effective in its treatment. He recommended that people should follow precautions such as "avoid touching surfaces, wash hands, follow Covid-appropriate behaviour, practice social distancing, wear masks, and avoid going out if experiencing viral symptoms."&nbsp;

(With inputs from agencies)

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Over the past few weeks, India has been witnessing a rise in influenza cases. Flu cases in the country's national capital are also witnessing a spike. As per a PTI report, hospitals in New Delhi are witnessing a close to 150 per cent spike in cases of the H3N2 virus.

Over the past few weeks, India has been witnessing a rise in influenza cases. Flu cases in the country's national capital are also witnessing a spike. As per a PTI report, hospitals in New Delhi are witnessing a close to 150 per cent spike in cases of the H3N2 virus. Amid the spike, a fatality is being reported from the country's financial capital Mumbai. If verified, it will bring the nation's death toll due to the H3N2 virus to three. As per doctors, the influenza virus triggers symptoms like fever, cold and body aches, and in some cases causes a persistent cough that can make patients extremely weak. According to a Zee News report, in India, two Influenza 'A' type strains are behind this rise in flu cases. H3N2 has emerged as the dominant subtype of flu, it is followed by H1N1. Watch | India: Two die as H3N2 influenza cases rise The nation has already confirmed two deaths due to H3N2, and as per reports, there has been another death. As per reports, the alleged third death is of a 23-year-old MBBS student. The man, a student at a private institution, is believed to have caught the virus while out with friends. Reportedly, his health deteriorated after coming back from a trip to Alibaug in Konkan. Post Mortem found traces of the H3N2 virus in his blood. However, the fatality is yet to be verified. Earlier too, there were claims of another fatality. Reports claimed that the death happened in Vadodara, Gujarat. Of the two previously verified deaths, one was reported from Haryana, the other from Karnataka. Also read | India reports third death from H3N2 flu, this time in Gujarat state Talking to PTI about the current strain, Dr Vikas Deswal, Senior Consultant, Internal Medicine, Medanta, Gurugram said the influenza virus is the most prevalent virus that affects our respiratory system. He explained that the virus is present in three different types: A, B, and C. "Among these, subtype A is the most commonly found. One subtype of the influenza A virus is H3N2, which produces symptoms similar to other flu viruses such as cough, fever, cold, sore throat, fatigue, muscle pain, and respiratory complications, especially in children under two years, the elderly, and those with other medical conditions," he said. Also read | H3N2 Influenza changing pattern unexpectedly: Experts warn more hospitalisations Deswal caution that the virus can mutate over time and that antibiotics are not effective in its treatment. He recommended that people should follow precautions such as "avoid touching surfaces, wash hands, follow Covid-appropriate behaviour, practice social distancing, wear masks, and avoid going out if experiencing viral symptoms." (With inputs from agencies) 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.

Third person reportedly dies in Mumbai as H3N2 cases rise in India

We may pass the flu to others just by breathing, according to a study which contradicts the popular belief that people can catch the influenza virus by exposure to droplets from an infected person&#39;s coughs or sneezes.

The study provides new evidence for the potential importance of airborne transmission because of the large quantities of infectious virus researchers found in the exhaled breath from people suffering from flu.

&quot;We found that flu cases contaminated the air around them with infectious virus just by breathing, without coughing or sneezing,&quot; said Donald Milton, from the University of Maryland in the US.

&quot;People with flu generate infectious aerosols (tiny droplets that stay suspended in the air for a long time) even when they are not coughing, and especially during the first days of illness. So when someone is coming down with influenza, they should go home and not remain in the workplace and infect others,&quot; said Milton, lead researcher of the study.

The researchers characterised influenza virus in exhaled breath from 142 confirmed cases of people with influenza during natural breathing, prompted speech, spontaneous coughing, and sneezing, and assessed the infectivity of naturally occurring influenza aerosols.

For the study published in the journal Proceedings of the National Academy of Sciences, the participants provided 218 nasopharyngeal swabs and 218 half-an-hour samples of exhaled breath, spontaneous coughing, and sneezing on the first, second, and third days after the onset of symptoms.

The analysis of the infectious virus recovered from these samples showed that a significant number of flu patients routinely shed infectious virus, not merely detectable RNA, into aerosol particles small enough to present a risk for airborne transmission.

Surprisingly, 11 (48 per cent) of the 23 fine aerosol samples acquired in the absence of coughing had detectable viral RNA and eight of these 11 contained infectious virus, suggesting that coughing was not necessary for infectious aerosol generation in the fine aerosol droplets.

In addition, the few sneezes observed were not associated with greater viral RNA copy numbers in either coarse or fine aerosols, suggesting that sneezing does not make an important contribution to influenza virus shedding in aerosols.

&quot;The study findings suggest that keeping surfaces clean washing our hands all the time, and avoiding people who are coughing does not provide complete protection from getting the flu,&quot; said Sheryl Ehrman, from San Jose State University in the US.

&quot;Staying home and out of public spaces could make a difference in the spread of the influenza virus,&quot; Ehrman said.

The researchers characterised influenza virus in exhaled breath from 142 confirmed cases of people with influenza during natural breathing, prompted speech, spontaneous coughing, and sneezing.

We may pass the flu to others just by breathing, according to a study which contradicts the popular belief that people can catch the influenza virus by exposure to droplets from an infected person's coughs or sneezes. The study provides new evidence for the potential importance of airborne transmission because of the large quantities of infectious virus researchers found in the exhaled breath from people suffering from flu. "We found that flu cases contaminated the air around them with infectious virus just by breathing, without coughing or sneezing," said Donald Milton, from the University of Maryland in the US. "People with flu generate infectious aerosols (tiny droplets that stay suspended in the air for a long time) even when they are not coughing, and especially during the first days of illness. So when someone is coming down with influenza, they should go home and not remain in the workplace and infect others," said Milton, lead researcher of the study. The researchers characterised influenza virus in exhaled breath from 142 confirmed cases of people with influenza during natural breathing, prompted speech, spontaneous coughing, and sneezing, and assessed the infectivity of naturally occurring influenza aerosols. For the study published in the journal Proceedings of the National Academy of Sciences, the participants provided 218 nasopharyngeal swabs and 218 half-an-hour samples of exhaled breath, spontaneous coughing, and sneezing on the first, second, and third days after the onset of symptoms. The analysis of the infectious virus recovered from these samples showed that a significant number of flu patients routinely shed infectious virus, not merely detectable RNA, into aerosol particles small enough to present a risk for airborne transmission. Surprisingly, 11 (48 per cent) of the 23 fine aerosol samples acquired in the absence of coughing had detectable viral RNA and eight of these 11 contained infectious virus, suggesting that coughing was not necessary for infectious aerosol generation in the fine aerosol droplets. In addition, the few sneezes observed were not associated with greater viral RNA copy numbers in either coarse or fine aerosols, suggesting that sneezing does not make an important contribution to influenza virus shedding in aerosols. "The study findings suggest that keeping surfaces clean washing our hands all the time, and avoiding people who are coughing does not provide complete protection from getting the flu," said Sheryl Ehrman, from San Jose State University in the US. "Staying home and out of public spaces could make a difference in the spread of the influenza virus," Ehrman said.

Flu may spread just by breathing: Study

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