The CDC director says coronavirus vaccines are less effective for delta but still prevent severe infection
in CDC’s latest Morbidity and Mortality Weekly Report, Walensky said at a White House briefing that vaccine effectiveness has been found to fall over time.
A National Healthcare Safety Network study found vaccines’ effectiveness in preventing infection for nursing home residents – among those most vulnerable to the virus – fell from 75% to 53% between March and July, Walensky said, as the delta variant became more widespreadthat has yet to be peer reviewed found that effectiveness of the Pfizer-BioNTech vaccine fell from 76% in January to 42% in July, while the effectiveness of the Moderna vaccine declined from 86% to 76% over the same span.
Walensky also cited an Arizona HEROES/RECOVER study that shows vaccines that are 92% effective against the original strain of the virus are just 64% effective against delta. However, according to Walensky, the Mayo Clinic study and a New York State study that also found vaccine effectiveness decreases over time both concluded that their effectiveness against severe infection and death remains high and stable.200 million. That’s how many Americans have gotten at least one vaccine shot, White House coronavirus response coordinator Jeff Zients said at the briefing, with 7 million newly vaccinated Americans in the last two weeks, the highest rate since June.
Brasil Últimas Notícias, Brasil Manchetes
Similar News:Você também pode ler notícias semelhantes a esta que coletamos de outras fontes de notícias.
Pregnant and Breastfeeding People Should Get a COVID-19 Vaccine, the CDC SaysHere's what to know about the new recommendations.
Consulte Mais informação »
Vaccine Effectiveness Against Infection May Wane, CDC Studies FindThe Centers for Disease Control and Prevention released three studies Wednesday that federal officials said provided evidence that booster shots of the Pfizer-BioNTech and Moderna coronavirus vaccines would be needed by all Americans in the coming months. But some experts said the new research did not support the decision to recommend booster shots for all Americans. Taken together, the studies show that although the vaccines remain highly effective against hospitalizations, the bulwark they pro
Consulte Mais informação »
CDC adds Turkey and three other destinations to its list of places to avoidTurkey and Montenegro join the list of riskiest places to travel to during the COVID-19 pandemic, according to updated guidance from the Centers for Disease...
Consulte Mais informação »
U.S. CDC, State Dept warn against Turkey travel, ease India advisoryThe U.S. Centers for Disease Control and Prevention (CDC) and U.S. State Department warned on Monday against travel to Turkey because of a rising number of COVID-19 cases in that nation but eased its advisories for India.
Consulte Mais informação »
Children Now Nearly 1 In 5 New Covid Cases—Though Hospitalization Still ‘Uncommon’More than 120,000 children contracted Covid-19 last week, another “substantial” increase from the week prior, according to an American Academy of Pediatrics report
Consulte Mais informação »
Music Companies Delay Return to Office, Mandating VaccinesThe delta variant has sent COVID-19 infections soaring in the U.S., forcing music companies to reconsider office reopening strategies and vaccine mandates.
Consulte Mais informação »