Moderna vaccine lasts at least 6 months, according to new study

Coronavirus

FILE – This Thursday, March 18, 2021 file photo shows syringes filled with the Moderna COVID-19 vaccine at a pop up site in the Queens borough of New York. According to results released on Monday, March 29, 2021, The U.S government’s first look at the real-world use of COVID-19 vaccines found their effectiveness was nearly as robust as it was in controlled studies. (AP Photo/Mary Altaffer)

BOSTON (AP) — New research suggests the protection the Moderna vaccine gives against COVID-19 lasts for at least six months.

The report Tuesday in the New England Journal of Medicine echoes what Pfizer said last week about its vaccine, which works in a similar way.

Both reports were based on follow-up tests in dozens of people who received the shots during studies that led to the vaccines’ use. However those studies were done before troubling new variants, or versions of the coronavirus, had emerged and started to spread.

A separate report in the medical journal adds to concern about the variants. Scientists measured antibodies that can block the virus in 50 people who had been given the Sinopharm or Sinovac vaccines that were developed in China. Many showed total or partial loss of effectiveness against a virus variant first detected in South Africa.

The vaccines still seemed to protect against a variant first found in the United Kingdom that is now rapidly spreading in the United States and elsewhere.

Pfizer and Moderna have said they are working to update their vaccines, or possibly design a booster shot, in case they’re needed against variants.

You can read the full study below:

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April 24 2021 08:00 am

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