A fifth person has died in connection with a Legionnaires' disease outbreak in New York City's Upper East Side neighborhood, with health officials confirming at least 82 total cases. Dozens of buildings have been found to contain live Legionella bacteria as authorities work to contain the outbreak.
Michigan health officials reported 3,309 cases of cyclosporiasis on Tuesday, an increase of 669 cases since Monday, with the parasitic illness outbreak resulting in 44 hospitalizations. The diarrhea-causing infection is part of a broader outbreak affecting 31 states.
A Northern California resident was hospitalized this spring after being confirmed as the fourth-ever person diagnosed with an extremely rare tick-borne disease caused by Rickettsia lanei bacteria, which produces symptoms similar to Rocky Mountain spotted fever. State health officials are warning residents to take precautions against ticks following the diagnosis.
The Virginia Department of Health officially declared a measles outbreak in Buckingham County on May 13, 2026, after identifying 12 cases. Health officials warn there are likely more cases to come.
A major multi-country study found that WHO-recommended first-line antibiotics for neonatal sepsis are likely to be effective in only one-quarter of infections in low- and middle-income countries, highlighting a critical gap in global infant health treatment protocols.
A major study presented at ESCMID Global 2026 found that antiretroviral therapy (ART) reduces accelerated biological aging in people with HIV by nearly four years, a finding that could transform understanding of HIV treatment benefits.
