Dossier
California health officials
Coverage of California health officials in the Nexus archive.
- Measles emerges in California wastewater as health experts sound alarm
California health officials discovered evidence of measles in routine wastewater testing as the state faces a sharp resurgence of the disease.
- Ten times worse than benzene — California updates its science on two air contaminants
California health officials have released new scientific findings about health risks from exposure to two air toxics, acrolein and ethylene oxide, which are present in California's ambient air. The findings indicate that these air contaminants pose significant health risks. The update is based on the latest science available.