In parallel, look what is happening in South Africa with the BA.4 and BA.5 variantshttps://t.co/jOAd5YEzCM— Eric Topol (@EricTopol) April 21, 2022
In parallel, look what is happening in South Africa with the BA.4 and BA.5 variantshttps://t.co/jOAd5YEzCM