@carlzimmer@GlennKesslerWP@nytimes Could companies with failed attempts at new vaccines just give up and turn to manufacturing the successful vaccines? We’ve already found good vaccines.
@carlzimmer@nytimes Hi Carl, two questions if you could kindly answer - the vaccines that uses inactivated or attenuated coronavirus will generally perform poorly to these new variants, right? And how about mRNA vs Viral Vector (Adeno virus based) performing generally to these new variants?