https://www.indiablooms.com/health-details/H/12549/mrna-vaccine-beats-infection-for-key-defense-against-covid-19-stanford-medicine-scientists-find.html
The Pfizer/BioNTech mRNA vaccine directed at COVID-19 is much better than natural infection at revving up key immune cells called killer T cells to fight future infection by SARS-CoV-2, the virus that causes COVID-19, Stanford Medicine investigators have foun…
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