(Bloomberg) — Pfizer Inc.’s vaccine was less effective at keeping people from getting the coronavirus in Israel in recent weeks, but it continues to provide a strong shield against severe Covid-19, according to government data.
The vaccine protected 64% of people against the illness between June 6 and early July, down from a previous 94%. The drop was observed as the delta variant was spreading in Israel, the Health Ministry said. It also coincided with the lifting of virus restrictions at…
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