A researcher at Russia's plague institute laboratory in Siberia died of pneumonia of unknown origin, prompting dozens of people to be quarantined, according to a MedPage Today roundup of health news. The cause of the illness has not been identified.
In the U.S., the FDA announced an expanded recall of frozen blueberries and berry blends sold at Trader Joe's due to potential E. coli contamination. Separately, the agency said a 34-state Salmonella outbreak linked to Mexico-grown jalapeños served at Chipotle has ended; that outbreak sickened 488 people and sent 65 to the hospital.
A study in JAMA Network Open found that while more Medicaid-enrolled young people with opioid use disorder started addiction medications, most did not continue treatment. The roundup also noted a steep drop in shingles cases among young adults who received the varicella vaccine in childhood and a mumps outbreak affecting at least 14 members of San Diego State University's football team.