Third measles death recorded in US in 2026

A 40-year-old woman in Pennsylvania has died of measles, authorities said Sunday, bringing this year's death toll from the highly contagious, preventable disease to three amid declining vaccination rates.

Engineered vesicles protect brain from bacterial toxin

Bacterial meningitis can cause severe brain damage even when patients receive antibiotic treatment promptly. Researchers at Karolinska Institutet have developed tiny biological vesicles that, in animal studies, were able ...

When a tick bite no longer means a trip to the emergency room

In 2021, Nova Scotia began allowing pharmacists to prescribe preventive treatment for Lyme disease after high-risk tick bites. Researchers found that emergency department visits for tick bites dropped by roughly 50% after ...

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