A parasitic worm capable of infecting the human brain has established local transmission in California for the first time, ...

A brain‑invading parasite better known as rat lungworm has quietly surfaced in San Diego County, turning up in wild animals ...

Residents, gardeners should take precautions to protect against deadly disease transmitted by snails, slugs, and animals that ingest them ...

Rat lungworm, a dangerous parasite, has been detected in San Diego County wildlife, according to the CDC, marking its first presence in the western U.S.

A neurological disease spread by rats and other animals may have become established in San Diego County.