H Hasan New member 27 Ara 2022 #1 New Covid mutant in China? Experts fear of new variants amid spike in cases In China, most people have never been exposed to the coronavirus. China's vaccines rely on an older technology producing fewer antibodies than messenger RNA vaccines.
New Covid mutant in China? Experts fear of new variants amid spike in cases In China, most people have never been exposed to the coronavirus. China's vaccines rely on an older technology producing fewer antibodies than messenger RNA vaccines.
