Pfizer CEO Albert Bourla promised world speed when the Delta Variant was poised to dominate the world last June. If a hypermutant version of SARS-CoV-2 germinates...
Among the more infectious Covid-19 mutants reported worldwide, scientists recommend a combination of vaccines that may provide longer immunity and protection against the mutant. Soumya Swaminathan,...
WHO scientist Dr. Soumya Swaminathan talks to CNN’s Becky Anderson to answer questions about Covid-19. #CNN #CNNI #New. source
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