Do Vaccines Protect Against Mutant Covid Stains? Expert Answers

WHO Chief Scientist DR Soumya Swaminathan sheds light on the mutant strains of coronavirus, which have led to fresh wave of worldwide restrictions. The variants - detected in the United Kingdom and South Africa - were associated with an increase in the number of Covid cases. Most scientists believe the vaccines under development should provide protection against variants, she says. [Credit: World Health Organisation]

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