COVID-19: Time to watch out for BF.7

For almost a year now, omicron and its lineages and sub-lineages have dominated the global COVID-19 variant map

Infographic: Do we need a booster dose?

Omicron, the most common COVID-19 strain in the world today, has dramatically reduced the efficacy and duration of vaccine protection 

China’s definition of COVID deaths ‘very narrow’, country’s data ‘under-represents’ severity: WHO

Updated definition is narrow since it counts only those deaths caused by COVID-induced pneumonia or respiratory failures

Lifecycle of COVID-19: Yet another omicron sub-variant has countries on high alert

 XBB.1.5 shows how dynamic and wide-reaching SARS-CoV-2 variant evolution is, says expert

A vaccine only for Omicron: Does India really need it?

Experts bat for considering benefits, economics carefully before spending on bivalent shots