Pfizer’s coronavirus vaccine has dropped to 64% effectiveness in preventing infection amid the spread of the Delta variant in Israel, the Health Ministry said, as officials consider the need for booster shots and new restrictions.
The vaccine fell to 64% effectiveness in preventing symptomatic infection over the last month, the Health Ministry reported on Monday, noting that the decrease coincided with the rapid spread of the more contagious Delta variant across Israel. However, health officials said the Pfizer shot still offers strong protection against severe illness and hospitalization, reporting 93% efficacy.
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