COVID rebound is when COVID-19 symptoms return soon after they go away or a person registers a positive COVID-19 test result after testing negative for several days. COVID rebound can happen in people ...
June 2, 2025 -- The FDA has approved Moderna's new COVID-19 shot, an mRNA vaccine, with some limits on who can get it. The vaccine, called mNexspike, is for people who’ve previously received a ...
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COVID-19 variant BA.3.2 or "cicada" is not widely circulating in the U.S. yet, but based on trends in Europe, it may become more prominent. Most evidence comes from laboratory data, but there are no ...
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