Pfizer COVID Vaccine Close to 99-percent Effective in Preventing Death, Latest Israeli Data Shows

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Getting the coronavirus vaccine in Tel Aviv, this week.
Getting the coronavirus vaccine in Tel Aviv, this week.Credit: Tomer Appelbaum

The Pfizer-BioNTech coronavirus vaccine currently being rolled out in Israel is 98.9 percent effective in preventing death two weeks after the second dose, Israeli data shows.

This is the latest update from Israel's Health Ministry which tested the effectiveness of the vaccine up to February 13, which means it is relevant for the number of people that were vaccinated by the end of January.

By then, 3.5 million people in Israel had received the second dose; 1.7 million had gotten the first jab, a sample that it more than a hundred times bigger than the clinical trials. As of today, the numbers are 4.2 million and 2.8 million respectively. 

According to the same report, the vaccine is up to 99.2 percent effective in preventing serious illness. 98.9 percent of patients followed did not need to be hospitalized.

The epidemiology unit at the Health Ministry collects data at two points: one week after the second dose and a week after that. According to the data, after one week, the vaccine is 91.9 percent effective in preventing the illness altogether. After two weeks, it jumps to 95.8 percent.

These latest numbers follow a string of similarly positive reports from Israeli HMOs, who also monitor their customer's vaccinations closely.

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