Mixing vaccines could offer a stronger immune boost, preliminary data suggests.
In a briefing to the Food and Drug Administration, Pfizer said data supports a booster shot six months after a primary vaccine dose. The FDA advisory committee will hold a hearing to discuss the data.With the FDA gearing up to decide if all Americans need booster shots, some researchers are pointing to preliminary data suggesting that mixing differentFor now, data is too sparse to support a mix-and-match strategy, experts say.
"With prior infection, their antibodies are able to recognize numerous variants, but with the addition of the vaccine, they are able to generate a large number to have a stronger effect against the virus," Crotty said. But timing is key when it comes to additional doses, whichever vaccine is given. Researchers say that exact right interval when immune response has matured -- but before protection begins to wane -- is the ideal target.
"This is because of hybrid immunity. Adults have already been exposed to influenza and have primed their immune response," Goepfert said.
United States Latest News, United States Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
COVID-19 Vaccines Won’t Affect Your Sexual Performance, but COVID-19 MightJust in case you were wondering.
Read more »
Covid-19: NI records 10 Covid-linked deaths,1,304 casesThe total number of deaths linked to coronavirus in NI since the start of the pandemic is 2,478.
Read more »
Mike Huckabee Blames COVID-19 Vaccine Hesitancy On Biden ‘Boring Us To Death’ With Science“When my mother wanted me to eat spinach, she didn’t try to tell me about the virtues of vitamin E. She told me Popeye ate spinach and I’d be strong like he was' “Joe Biden needs to tell us the benefits rather than scaring the daylights out of us”
Read more »
When Can You Get A Covid-19 Booster Shot?Exactly what the booster shot plan will look like still depends on the FDA and CDC and the results of ongoing studies.
Read more »
At Least 1 In 500 Americans Have Died Of COVID-19The virus's toll has been much worse than experts initially predicted.
Read more »
Joe Biden Says Gavin Newsom’s Recall Victory Affirms Covid-19 Strategy, Vaccine RequirementsPresident Joe Biden sees Governor Gavin Newsom’s resounding win in California’s recall as an affirmation of robust Covid-19 protocols, including vaccine requirements and school safety m…
Read more »