COVID-19 vaccine boosters FAQs – what you should know

COVID-19 vaccine boosters

Following the advice of the Vaccine and Related Products Advisory Committee (VRBPAC), the FDA announced that COVID-19 vaccine boosters can be given to those individuals who received the Moderna and JNJ vaccines. This follows a previous announcement about the Pfizer vaccine booster shots. The FDA also stated that all eligible individuals could mix and match vaccines for their booster dose.

There is a lot of information about these boosters out there, so I thought I would take a moment to try to provide some facts and clarity about what the recommendations are about these COVID-19 vaccine boosters. Also, this is related to a US FDA set of decisions and recommendations from the CDC, so this article is going to only apply to the USA. However, don’t be surprised if the EU and other regulatory agencies across the world do the same thing.

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COVID vaccine effectiveness against Delta variant –

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During the 17 September 2021 FDA vaccine expert committee meeting, the COVID-19 vaccine effectiveness against the Delta variant was reviewed. I want to assess some of the results so that we have a better understanding of how the vaccines are working against the Delta variant.

I have read all kinds of comments and reports about the COVID-19 vaccine effectiveness against the Delta variant, but it will be good to see what data was presented to the top vaccine experts in the country. Let’s take a peek at the data.

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COVID vaccines effectiveness against new Delta variant

COVID vaccines effectiveness Delta

With the spread of the Delta variant (known as B.1.617.2 by the CDC) from India, scientists have been concerned about the effectiveness of COVID vaccines against it. The good news is that the Pfizer and AstraZeneca vaccines seem to fairly effective against this new variant of SARS-CoV-2 virus.

Let’s take a look at the paper that describes the effectiveness of the vaccines against the COVID-19 Delta variant.

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