According to the US Centres for Disease Control and Prevention (CDC), vaccines were more effective at fighting the Delta variant in the United States than the Omicron variant while comparing the rate of hospitalisations among adults.

Vaccines were more effective against Delta variant, CDC study finds

According to Britain's Office of National Statistics(ONS), over seven out of ten people in England have had COVID-19 since the pandemic began in 2020. The agency said 71 per cent citizens living in England were estimated to have contracted the virus between April 2020 and February 2022.

Over seven in 10 people in England had COVID-19: Study

From April 18, most of the COVID-19 restrictions will be lifted, the South Korean government announced on Friday as the Omicron variant showed signs of waning in the country.

South Korea lifts most of Covid restrictions citing drop in daily cases

Some parts of the United States have been seeing a fresh spike in COVID-19 infections again, causing concern among the officials. According to local media reports, cases in the northeastern part of the US is ticking up due to the BA.

BA.2 Covid variant driving new infections in some parts of US

Amid growing concerns over the presence of coronavirus variants, the World Health Organisation(WHO) said it is monitoring the BA.4 and BA.5 lineages which are the "sister variants" of the BA.

WHO tracks two new Omicron subvariants: What are BA.4 and BA.5 strains?

Amid rising COVID-19 cases in the United States, Philadelphia city authorities announced they will reinstate indoor mask policy. The mask mandate will be enforced by health officials from April 18 amid 50 per cent increase in coronavirus cases.

Amid rise in COVID-19 cases in US, Philadelphia reinstates indoor mask policy

It’s absolute pandemonium in China. The country has been breaking everyday record of Covid cases, people have been scrambling to get their hands on essential items as increasing restrictions is triggering panic buying in the country.

Watch: Amidst growing discontent, rap song on food shortage attempts to 'cheer up' Chinese

According to reports, scientists have tested a new COVID-19 nasal spray treatment against mice which has reportedly proved "highly effective". The spray has been developed by researchers from the University of British Columbia (UBC) in Canada.

Anti-COVID-19 nasal spray works on mice, effective against Delta variant: Study

According to a poll, 52 per cent of Americans have said they had contacted coronavirus. The poll conducted by Monmouth University said at least 4 in 10 Americans said they either tested positive for the virus or were diagnosed with COVID-19.

52% Americans say they had contracted the virus: Poll

Scotland is witnessing a resurgent Covid pandemic as a total of 9,533 new cases have been reported in a day. However, no new deaths were reported on Sunday. According to local media, the number of people in hospitals with Coronavirus in Scotland has reached its highest total since the start of the pandemic in 2020.

BA.2 sub-variant driving spurt in Covid numbers in Scotland

Amid a virus wave in China, authorities ordered beds to be freed as the country reported 3,290 new coronavirus cases on Wednesday. China has been hit hard with the Omicron wave as experts have warned it is the "stealth Omicron" also known as BA.

Omicron alert: China sets up temporary facilities, mass testing

According to a study, the subvariant of Omicron, BA.2, may cause severe disease and can thwart some treatments. The Omicron variant was first reported in South Africa last November since then it has spread rapidly worldwide to become the dominant variant in several countries outpacing Delta.

Omicron's subvariant BA.2 may cause severe disease: Study

As the Omicron sub-variant known as BA.2 spreads worldwide, scientists have warned that the new subvariant is 1.5 time more transmissible than the original Omicron strain.

BA.2 subvariant more transmissible than original Omicron: Scientists

As the world continues to battle against the Omicron wave, the World Health Organisation(WHO) warned that sub-variants have been on the rise worldwide. Reports say the BA.

Explainer: What is the new 'stealth Omicron'?