Health
Mix-and-match vaccine highly effective against Covid, says Lancet study – The Tribune India
People who received the first dose of the Oxford-AstraZeneca Covid-19 vaccine followed by an mRNA vaccine shot had a lower risk…

London, October 18
People who received the first dose of the Oxford-AstraZeneca Covid-19 vaccine followed by an mRNA vaccine shot had a lower risk of infection compared to those immunised with both doses of the AstraZeneca, according to a nationwide study…
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