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SARS-CoV-2 antibody levels predict COVID vaccine efficacy, study finds

 

SARS-CoV-2 antibody concentrations predict COVID-19 vaccine effectiveness, with higher levels correlating with greater protection, according to an ongoing US phase 3 clinical trial yesterday in Science.

A team led by researchers from Fred Hutchinson Cancer Research Center in Seattle evaluated 30,420 adult recipients of the Moderna mRNA COVID-19 vaccine at 99 centers for neutralizing and binding antibodies as correlates of risk for, and protection against, infection.

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Demand grows for digital vaccine passports; but choose app wisely

In the week since international travelers were welcomed back to the United States, airlines, nonprofit organizations and travel groups have finally seen an uptick in the digital health passes they had hoped travelers would use since their launch.

American Airlines has been seeing a nearly 10 percent increase in its VeriFLY app usage for travel since the Nov. 8 lifting of U.S. entry restrictions, said spokeswoman Rachel Warner. Tech research firm Apptopia noticed a 5 percent increase in downloads of these kinds of apps from the week before the travel ban was lifted, according to Thomas Grant, the company’s director of equity research.

Travel industry experts credited this rise to the new flood of international travelers.

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U.S. flu cases increasing, including massive flu outbreak at the University of Michigan

A sudden surge of influenza cases on the University of Michigan's Ann Arbor campus has drawn the attention of the Centers for Disease Control and Prevention (CDC), which has now deployed a team of experts to investigate the outbreak.

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