WASHINGTON: US biotech company Moderna announced on Wednesday that it has begun clinical trials of a booster dose of vaccine designed specifically to combat the Omicron variant of the coronavirus.
© New Straits Times Press (M) Bhd

WASHINGTON: US biotech company Moderna announced on Wednesday that it has begun clinical trials of a booster dose of vaccine designed specifically to combat the Omicron variant of the coronavirus.
© New Straits Times Press (M) Bhd