New research from UC Berkeley and UC Davis suggests that knowing when and where dogs get sick can help us know when humans ...

Southern California’s buzzing with a bold new plan to squash a dengue fever surge, and it’s showing serious promise. The ...

Health officials in Los Angeles County have declared a community-wide outbreak of hepatitis A following a sharp rise in cases ...

Releases of sterile male mosquitoes in L.A. County drove down the pest population, studies found. But homeowners would need ...