US to post influenza A wastewater data online to assist bird flu probe, official says The U.S. Centers for Disease Control and Prevention (CDC) is planning to post data on influenza A found in wastewater in a public dashboard possibly as soon as Friday that could offer new clues into the outbreak of H5N1 bird flu in cattle herds. Julie Steenhuysen Reuters

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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.

Testing environmental water to monitor COVID-19 spread in unsheltered encampments

To better understand COVID-19's spread during the pandemic, public health officials have expanded wastewater surveillance. These efforts track SARS-CoV-2 levels and health risks among most people, but they miss people who live without shelter, a population particularly vulnerable to severe infection.

To fill this information gap, researchers reporting in Environmental Science & Technology Letters tested flood-control waterways near unsheltered encampments, finding similar transmission patterns as in the broader community and identifying previously unseen viral mutations.

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