Calaveras Public Health Officer, Dr. Dean Kelaita, Tuesday announced that Public Health Services is investigating a child diagnosed with measles traveling through Calaveras County to ensure no local residents...

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Approximately one year after the Disneyland measles outbreak that affected 131 people, California Health officials say they are investigating a child diagnosed with measles in Nevada County. The unvaccinated...

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California health officials have reported the first fatality of 2015 due to West Nile virus. The announcement yesterday from California Department of Public Health (CDPH) Director and State Health Officer...