Across the world, only a few dozen people appear to carry a genetic glitch that lets them brush off viruses that flatten ...

When the virus that caused the COVID-19 pandemic first emerged, many scientists thought it would evolve slowly, like other coronaviruses. But that was one of the first big surprises from the virus ...

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An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

A new study has shown that person-to-person variation in antibody immunity plays a key role in shaping which influenza (flu) strains dominate in a population. The work, published today as a Reviewed ...

Immunity protection from vaccination or prior infection may be “leaky” or less effective in crowded settings where people are exposed to high levels of the virus that causes COVID-19, new research has ...

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

It's a laudable goal to aim for herd immunity, but there are some sensitive conversations to be had for the U.S. to get there ...

As governments the world over seek ways to jumpstart economic activity, one proposal is a so-called “immunity passport” that would allow certain people who test positive for COVID-19 antibodies to ...