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Rare Heart Inflammation Warning

The US Food and Drug Administration is adding a warning that notes a link between a rare inflammatory heart condition among teens and young adults and the Pfizer-BioNTech and Moderna SARS-CoV-2 vaccines, Reuters reports.

It says that an advisory panel to the Centers for Disease Control and Prevention found there was a "likely association" between the mRNA-based vaccines and the condition but that the benefits of vaccination still outweigh the risks. According to CNBC, there have been about 1,200 cases of myocarditis or pericarditis among people 30 years old or younger who received the Pfizer-BioNTech or Moderna SARS-CoV-2 vaccines, noting that 300 million doses have been administered.

"This is still a rare event," Tom Shimabukuro, deputy director of the CDC's Immunization Safety Office, said during the meeting of the CDC's Advisory Committee on Immunization Practices, according to CNBC.

The CDC notes that individuals who develop the inflammation typically recover, Reuters says. It further reports that Pfizer says it has not observed a higher-than-expected rate of inflammation and that Moderna says it is aware of the reports and is working with regulators and public health officials.

The Scan

Interfering With Invasive Mussels

The Chicago Tribune reports that researchers are studying whether RNA interference- or CRISPR-based approaches can combat invasive freshwater mussels.

Participation Analysis

A new study finds that women tend to participate less at scientific meetings but that some changes can lead to increased involvement, the Guardian reports.

Right Whales' Decline

A research study plans to use genetic analysis to gain insight into population decline among North American right whales, according to CBC.

Science Papers Tie Rare Mutations to Short Stature, Immunodeficiency; Present Single-Cell Transcriptomics Map

In Science this week: pair of mutations in one gene uncovered in brothers with short stature and immunodeficiency, and more.