Mutations

2 new COVID variants called 'FLiRT' are spreading in the U.S. What are the symptoms? The new "FLiRT" COVID-19 variants, including KP.2, are spreading in the United States. Will there be a summer surge? Experts discuss KP.2 transmission, symptoms, and vaccines. Yahoo News

Respiratory virus season may be ending in the United States, but a new group of COVID-19 variants are circulating, sparking concerns about a potential summer wave.

EU drug watchdog urges COVID-19 vaccine update The EU's drug watchdog urged Tuesday that anti-COVID jabs be updated before another round of vaccinations to counter a new variant of the virus, which is still claiming thousands of lives. Science X Medical Xpress

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The most widely circulating COVID variant worldwide is now JN.1, having overtaken the XBB family that is the target of the most recent vaccines, the European Medicines Agency said.

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H5N1 bird flu in U.S. cattle: A wake-up call to action Comparisons to seasonal flu management underestimate the unique challenges posed by H5N1 bird flu. Patrick Skerrett STAT

The recent detection of H5N1 bird flu in U.S. cattle, coupled with reports of a dairy worker contracting the virus, demands a departure from the usual reassurances offered by federal health officials. While they emphasize there’s no cause for alarm and assert diligent monitoring, it’s imperative we break from this familiar script.