Pfizer booster shot of vaccine can reduce risk of serious illness by 20 times

The study, published in the New Zealand Medical Journal on September 15, showed that the risk of infection with SARS-CoV-2 was reduced by 11 times and the risk of severe illness was reduced by 20 times in those who received the booster shot compared with those who received the booster shot. vaccinated with 2 doses of vaccine.

Plans for booster shots in the US have met with mixed opinions. Leading infectious disease expert Anthony Fauci, director of the Rochelle Walensky Centers for Disease Control and Prevention and acting Food and Drug Administration (FDA) commissioner Janet Woodcock have endorsed a third dose of the vaccine. , provided the additional injections are approved by regulatory authorities and health officials. Meanwhile, two of the FDA’s top vaccine officials have announced plans to step down this year, a sign of skepticism over the booster shot.

The FDA and Pfizer on September 15 released the summary document ahead of the September 17 meeting of advisors. Accordingly, the Pfizer report shows that the effectiveness of the Covid-19 vaccine may decline over time and booster shots will help maintain the vaccine’s level of protection. The FDA report indicates that current vaccines are still effective in preventing severe illness and death from Covid-19.

The Israeli study followed more than 1.1 million Israelis over the age of 60 who received two doses of the Pfizer vaccine. Researchers at the Weizmann Institute of Science, Technion Institute of Technology in Israel, Israel’s Ministry of Health, Tel Aviv University, and other scientists compared the risk of infection and severe illness among people who received booster shots. and those who did not inject.

One key note, according to Bloomberg, is that the Israeli study is based on a short-term follow-up. Israel’s booster injection campaign began on July 30, and the study runs through August 31. The risk of infection and serious illness is considered 12 days after the third dose of vaccine.

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