Newest video updates related to Coronavirus. Watch this “Covid vaccines 'still effective' against Delta variant – BBC News” video below:
Having two doses of Covid vaccine remains the best way to protect against the Delta variant, first identified in India and now dominant in the UK.
The Oxford-AstraZeneca jab, though initially less effective, offers the same high protection as the Pfizer-BioNTech after four to five months, the largest study of its kind suggests.
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But neither is as effective as it is against the Alpha variant,…..(read more)