Moderna says tests show booster injection increases antibodies against the omicron . variant

Moderna said Monday that a booster dose of its COVID-19 vaccine will protect against the rapidly spreading omicron variant.

Moderna says lab tests showed that a half-dose booster shot increased levels of so-called neutralizing antibodies against omicrons 37-fold.

And an even more potent booster dose, triggering an 83-fold increase in antibody levels, albeit with an increase in common side effects, the company said. While half-dose shots are being used for most Moderna boosters, a third full-dose shot has been recommended for people with weakened immune systems.

Moderna published the preliminary lab data in a press release, and it has yet to be scientifically evaluated. But the US National Institutes of Health trial, published last week by Dr Anthony Fauci, found a similar jump.

Pfizer’s trial also showed that its COVID-19 vaccine triggered a similar leap in anti-omicron antibodies. Vaccines manufactured by Pfizer and Moderna, both made using mRNA technology, are used by many countries around the world against the coronavirus.

With that, the available evidence supports health authorities” increasingly encouraging people to take health-promoting drugs as soon as they are eligible.

Antibody levels predict how well a vaccine can prevent coronavirus infection, but they are only one layer of defense for the immune system. Other research shows that vaccines should still offer good protection against severe illness if people develop a sudden infection.

Both Moderna and Pfizer are developing photos to better accommodate the omicron variation in case of need.

https://ktla.com/news/coronavirus/moderna-says-tests-show-booster-shot-increases-antibodies-against-omicron-variant/ Moderna says tests show booster injection increases antibodies against the omicron . variant


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