Immunity from a previous COVID-19 infection provides less protection from reinfection against the Omicron variant than other coronavirus variants, a new study finds.
At the same time, prior infection still helps people to avoid severe disease from the Omicron variant at a high level, the study found.
The study team analyzed national databases in Qatar, which included information about testing, infections, hospitalizations, deaths, andThe researchers found that previous infection was 56% effective at preventing reinfection with Omicron, compared with at least 86% against other variants, including 92% against theWhat’s more, previous infection was 88% effective at preventing severe, critical, or fatal COVID-19 from the Omicron variant, which was in line with other variants.
The findings are consistent with other reports about reinfections and breakthrough cases with the Omicron variant, according
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.
Study: COVID booster effectiveness wanes but remains strongA CDC report found vaccine booster protection waned but remains strong amid the Omicron wave.
Read more »
New Research Suggests Importance Of Vitamin D In Protecting Against Severe Covid-19A newly published study by a team of researchers in Israel has found that vitamin D sufficiency affords protection against more severe outcomes due to Covid-19 infection.
Read more »
FDA authorizes new monoclonal antibody drug said to work against omicronA new monoclonal antibody drug has proved to be effective against the coronavirus omicron variant and omicron subvariant, according to the Food and Drug Administration.
Read more »
FDA Authorizes Use of New Eli Lilly Covid-19 Antibody TreatmentThe FDA authorized the use of a new Covid-19 antibody drug from Eli Lilly that retains effectiveness against the Omicron variant, filling a void after authorities stopped distributing some older antibody drugs that lost effectiveness against the strain
Read more »
CDC: Booster effectiveness wanes in time but still offers protectionWith the Omicron variant dominant in the United States, vaccine effectiveness was 87% against Covid-19 emergency department or urgent care visits and 91% against hospitalizations in the two months …
Read more »
Study finds New York City’s omicron spike hit deer, tooThe omicron variant was detected in nasal swabs from seven of 68 Staten Island deer tested between Dec. 13 and Jan. 31, according to the study, which was funded by the USDA’s National Institute of Food and Agriculture.
Read more »