Only One Harm From mRNA COVID Vaccines, Report Determines Independent reviewers reject causal links to infertility, myocardial infarction, stroke Nicole Lou medpagetoday

Independent reviewers confirmed a causal relationship between the first mRNA COVID-19 vaccines and myocarditis, and also determined that, more broadly, intramuscular shots can cause a series of shoulder injuries.

Is smallpox still a threat?

Smallpox, a disease that killed an estimated 500 million people in the 20th century alone, is the only human disease to be eradicated. However, a new report, "Future State of Smallpox Medical Countermeasures," from the National Academies of Science, Engineering, and Medicine (NASEM) argues that the U.S. and the global community should prepare for smallpox to make a return.

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Here's what worries scientists about bird flu's spread among cattle Avian influenza is still spreading among dairy cattle. Scientists are paying close attention to how the virus is changing and what that means for its pandemic potential. NPR

The unlikely spread among cattle and one dairy worker has scientists looking through the data to better understand this spillover. They say the risk to humans hinges on whether the virus can evolve in key ways to better infect mammals.

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