JERUSALEM (Reuters) – Senior citizens who received a second booster of the Pfizer–BioNTech COVID-19 vaccination had a 78% lower mortality rate from the disease than those who got one only, a study…
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JERUSALEM (Reuters) – Senior citizens who received a second booster of the Pfizer–BioNTech COVID-19 vaccination had a 78% lower mortality rate from the disease than those who got one only, a study…