California public health officials have announced a multi-month mussel quarantine, cautioning that naturally occurring toxins make the species potentially poisonous to humans this time of year.

The California Department of Public Health said variations in symptoms between the NB.1.8.1 variant and the original COVID-19 strain have not yet been identified.

The Pasadena Public Health Department this week issued a set of recommendations for schools to follow after a county study found higher levels of lead in soil samples.. A Los Angeles County ...