Monday, April 12, 2021

Fauci: Israeli COVID-19 study misleading on vaccine effectiveness - The Jerusalem Post

Dr. Anthony Fauci, the top US infectious disease expert

Dr. Anthony Fauci, the top US infectious disease expert, said Monday that an Israeli study on the effectiveness of Pfizer's coronavirus vaccine against the South African variant is misleading, Reuters reported. He added that he would be careful on drawing conclusion about the vaccine’s efficacy against the variant.

Coronavirus vaccine’s efficacy is often described based on the ability of the inoculation to prevent people from contracting the virus. However, a key factor in evaluating how effective a vaccine is is its ability to prevent serious disease, hospitalization and death.

A real-world study conducted by Clalit Health Services and Tel Aviv University in Israel and released on Saturday showed that the South African variant is more likely to break through the vaccine’s protective effect, even after two doses have been administered and more than a week has passed.

However, the study referred to the ability of the vaccine to prevent from infection, not from serious symptoms.
In an interview with FOX Television Stations also on Monday, Fauci explained that the Pfizer-BioNTech, Moderna and Johnson & Johnson vaccines still look to be effective at preventing serious illness and death.
"So what might happen is that when you get these new variants, some of them may not be protected against when you’re talking about mild-to-moderate disease, but at the same time, people are not going to get severely ill and wind up dying," Fauci told Fox.


Israel has inoculated over 5.3 million people using the Pfizer vaccine most of them with both doses.

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