COVID-19 is remains a public health concern five years after the start of the pandemic. What to know about vaccines, variants ...

India sees a rise in Covid-19 cases due to Omicron sub-variant JN.1. Dr. Randeep Guleria warns that old vaccines offer reduced protection and instead, urges flu vaccination for vulnerable groups.

A new subvariant of Covid, which is said to be highly infectious, has been detected in the UK for the first time. The World ...