An AstraZeneca antibody drug for Covid-19 has clinical data showing the drug reduced the risk of infection by 77%. With the results, the pharmaceutical giant pulls ahead of other companies developing injectable versions of antibody drugs for Covid-19 prevention.
Investigators who previously developed a recipe for turning skin cells into primitive muscle-like cells that can be maintained indefinitely in the lab without losing the potential to become mature muscle have now uncovered how this recipe works and what molecular changes it triggers within cells.
In announcing plans to offer Covid-19 booster shots, federal health officials cited declining vaccine efficacy shown by real-world studies. But the World Health Organization said the science is less than clear about booster shots, adding that it’s ethically wrong to give third shots when so many around the world are waiting for their first one.
The membranes that surround fetuses during pregnancy can heal on their own after an injury, concluded a study by the Queen Mary University of London and.
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