Omicron sub-variants

Omicron subvariant XBB.1: An illustration of the novel coronavirus seen next to a health care worker at a Covid-19 testing centre in New Delhi. (Sanchit Khanna / HT Photo)
Coronavirus chronicle

New Omicron subvariant XBB.1 is ‘strongest by far in vaccine evasion’: Report

Illustration: Collected
Covid-19 in Bangladesh

Omicron BA.5 most predominant Covid sub-variant in Bangladesh: icddr,b

FILE PHOTO: A vial labelled "Sinopharm COVID-19 Vaccine" is seen in this illustration taken January 16, 2022. REUTERS/Dado Ruvic/Illustration
Coronavirus chronicle

Some Omicron sub-variants escaping antibodies from Sinopharm shot