Pfizer Inc.’s vaccine has been 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 the start of June.
Despite the indications of increased infections, the data also showed the shot is protecting people from severe illness. Its effectiveness at preventing hospitalization fell to 93%, according to the Health Ministry, compared with at least 97% in an earlier government study.
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