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A fourth Moderna covid shot may eventuallty be needed as efficacy of boosters likely to decline over time

Moderna CEO warns people may need fourth Covid shot as efficacy of boosters likely to decline over time

 

Moderna CEO Stephane Bancel on Thursday said the efficacy of boosters against Covid-19 will likely decline over time, and people may need a fourth shot in the fall to increase their protection.

Bancel said people who received their boosters last fall will likely have enough protection to get them through the winter, when new infections surge as people gather indoors to escape the cold.

However, Bancel said the efficacy of boosters will probably decline over the course of several months, similar to what happened with the first two doses. The Moderna chief was interviewed by Goldman Sachs during the investment bank’s health-care CEO conference.

“I will be surprised when we get that data in the coming weeks that it’s holding nicely over time — I would expect that it’s not going to hold great,” Bancel said, referring to the strength of the booster shots.   ...

 

 

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Experts warn that "the next variant is just around the corner."

‘The next variant is just around the corner’: Experts warn the world’s at risk until all are vaccinated

  • New Covid-19 variants are likely to keep on emerging until the whole world is vaccinated against the virus, experts warn.
  • In low-income countries, only 8.5% of people have received at least one dose of a vaccine, according to data.
  • The sharing of vaccinations is not just an altruistic act but a pragmatic one, experts note.

LONDON — New Covid-19 variants are likely to keep on emerging until the globe has been vaccinated against the virus, experts warn, saying that the sharing of vaccines is not just an altruistic act but a pragmatic one.

“Until the whole world is vaccinated, not just rich Western countries, I think we are going to remain in danger of new variants coming along and some of those could be more virulent than omicron,” Dr. Andrew Freedman, an academic in infectious diseases at Cardiff University Medical School, told CNBC on Thursday.

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Covid hospitalization hot spots across the U.S., with charts

Covid-19 hospitalizations are once again ticking upward after a lull in October and early November, with tens of thousands more Americans filling hospital beds across the country in the past four weeks.

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