Thousands of Israelis test Positive for Covid19, despite getting Pfizer vaccine

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More than 12,400 people in Israel have tested positive for coronavirus after being vaccinated with the Pfizer/BioNTech jab, including 69 who had received their second dose, the country’s Health Ministry said.

Some 189,000 people were tested for Covid-19 after being vaccinated, with 6.6 percent getting a positive result, according to ministry data reported by Israeli outlets. The majority were apparently infected shortly after receiving the first jab of the two-part vaccine – a period when the inoculation isn’t expected to have kicked in yet.

However, 1,410 people tested positive two weeks after their first injection, by which time partial immunity should have already taken effect.

Moreover, 69 patients became infected with the novel coronavirus despite already having been administered both shots of the vaccine, the ministry said. Israel began administering the second doses almost two weeks ago, with Prime Minister Benjamin Netanyahu being the first to complete the course.

Pfizer has said that a spike in immunity occurs between Day 15 and Day 21 after the first jab, when the effectiveness of its vaccine increases from 52 to 89 percent. According to earlier trials, the protection offered by the vaccine reaches the 95 percent level a week after the second dose is administered, the pharma giant said.

When it comes to vaccines, the results of clinical trials may differ from how the immunization performs in the field, where it’s administered to a much greater number of people.