Health
COVID jab wanes within six months: study – PerthNow
British researchers say protection against COVID-19 offered by two doses of the Pfizer and AstraZeneca vaccines begins to fade…
Protection against COVID-19 offered by two doses of the Pfizer/BioNTech and the Oxford/AstraZeneca coronavirus vaccines begins to fade within six months, underscoring the need for booster shots, British researchers say.
After five to six months, the effectiveness…
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