Omicron variant: Do current Covid vaccines and boosters protect against the new variant?
, said that a fourth booster dose might be necessary if the country's Covid cases continued to climb.to use against the new variant if lab tests show significant declines in protection against severe disease, though it could take months before they're ready to be distributed.
Offit is describing a phenomenon immunologists call “original antigenic sin” in which the body’s immune system relies on the memory of its first encounter with a virus, sometimes leading to a weaker immune response when it later encounters another version of the virus. that argued that booster shots should be restricted to those at high risk for severe disease, such as the elderly and those who live or work in high-risk settings, like health care workers. They said the original two doses of the mRNA vaccines are still working for most healthy adults.
Will the existing shot be as good as it was against the original virus?"Maybe or maybe not, but it will probably provide at least some protection against it," she said.Vaccine Researcher Dr. Peter Hotez “No matter what, you can’t wait for your booster because delta is still the dominant variant and will be so, I think, for the foreseeable future,” said Hotez, co-director of the Center for Vaccine Development at Texas Children’s Hospital and dean of the National School of Tropical Medicine at the Baylor College of Medicine in Houston.
México Últimas Noticias, México Titulares
Similar News:También puedes leer noticias similares a ésta que hemos recopilado de otras fuentes de noticias.
Do vaccines work against omicron? Lab studies are coming, but won't tell whole story.Do the vaccines protect against the omicron variant? Lab study results are expected soon, but more research will also be needed.
Leer más »
To stop omicron and other variants, US must help vaccinate the world: ANALYSISIn an analysis, two doctors explain why to stop omicron and other variants, the United States must help vaccinate the world.
Leer más »
Omicron variant detected in at least 15 US states but Delta reignsCDC director said that the US has several dozens of Omicron cases that are likely to rise, but health officials are banking on vaccines to dent the new variant’s impact.
Leer más »
Dr. Blackstock: We're penalizing southern African countries with travel banDr. Uché Blackstock and former White House senior adviser for Covid-19 response Andy Slavitt discuss the Omicron variant and the Biden administration's strategy.
Leer más »
Omicron shows evidence it can reinfect those who already had COVID, study says'Previous infection used to protect against Delta, and now with Omicron it doesn't seem to be the case,' researcher Anne von Gottberg said.
Leer más »