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More ticks in the U.S. Northeast now carry multiple diseases, raising risks as Lyme and babesiosis co-infections climb.

Researchers at the World Health Organization have identified 17 pathogens most in need of new or improved vaccines, including threats like HIV, malaria, and influenza. Reading time 3 minutes The World ...

A new study found that signs of common infections in a sample of middle-aged and older adults were associated with poorer performance on a test of global cognitive function. A new study from a team ...

Vaccines work by triggering your immune system to build up your body’s natural defenses. They help you fight off infections when you’re exposed to respiratory pathogens. The COVID-19 pandemic brought ...