Health
Vaccine efficacy wanes under Delta variant: Oxford – ABS-CBN News
The efficacy of the Pfizer and AstraZeneca jabs against COVID-19 wane under the Delta variant but still provide good protection…
But expert says it still gives ‘good protection’ against COVID
MANILA – The efficacy of the Pfizer and AstraZeneca vaccines against COVID-19 wane under the Delta variant, but two full doses of these vaccines still provide good protection against new infections,…
Continue Reading