Quo Vadis, COVID-19 Vaccine?

We have a vaccine for COVID-19. Finally this pandemic could be over with. Hurrah! Late last year, Pfizer, Oxford-AstraZeneca, Sinovac, and other developers announced their successful endeavours in producing effective vaccines against COVID-19. Despite differences in methods and production techniques, all claimed that their vaccine is over 60% effective, qualifying WHO criteria of over 50%.1,2 […]

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