China builds an important domestic weapon in Dongguan, breaking the monopoly of Europe and the United States, or changing the way of scientific research in our country
I've been out of the shelter for half a month with no one to care about me, and I can't afford the hotel expenses. The young lady is worried: When will I do the nucleic acid test?
China Biotech: Another inactivated novel coronavirus vaccine of the Omicron strain has received clinical approval from the State Food and Drug Administration