Prognosis

Israeli Research Shows Covid Booster Shot is Highly Effective

A health worker administers a third dose of the Pfizer-BioNTech Covid-19 vaccine to an elderly resident at Ichilov medical center in Tel Aviv, Israel.

Photographer: Kobi Wolf/Bloomberg
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One of Israel’s top health care providers said Wednesday that initial results of a study have showed that a third dose of the Pfizer-BioNTech vaccine, given to Israelis over 60, has been 86% effective.

The study compared 149,144 members of Maccabi HealthCare Services who received three doses at least seven days ago with 675,630 members of the same age, gender, socioeconomic status and population group who only received two inoculations in January and February.