Still unclear if vaccines need tweaking for Omicron - EU drug regulator
'There is no answer whether we will need to adapt vaccines,' European Medicines Agency's (EMA) executive director Emer Cook said on Tuesday.
Colorized scanning electron micrograph of an apoptotic cell (purple) infected with SARS-COV-2 virus particles (yellow), also known as novel coronavirus, isolated from a patient sample.(photo credit: NIH/HANDOUT VIA REUTERS)ByREUTERSUpdated: