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The number of pertussis cases in California has increased by an additional 760 cases since the last update two weeks ago, bringing the total number to 6,930 in 2014 to date. Nearly 200 pertussis patients...

The Los Angeles County Department of Public Health has confirmed the first human cases of West Nile virus (WNV) infection in Los Angeles County for the 2014 season. A female, 60s, from the San Fernando...

The California Department of Public Health (CDPH) it was announced today the first two deaths this summer due to West Nile virus (WNV) infection. The first was a senior citizen from Sacramento County....

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San Diego County officials are advising the public to take extra care when cleaning mice and rodent nests after a mouse, caught in routine trapping, tested positive for hantavirus. The mouse was caught in...

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California has accounted for 33 percent of the at least 60 confirmed human West Nile virus (WNV) cases reported nationally, according to data from the Centers for Disease Control and Prevention (CDC) and...

California Department of Public Health (CDPH) Director and State Health Officer Dr. Ron Chapman warned consumers today not to eat VR Green Farms jarred food products because they may have been improperly...

With the addition of 777 pertussis cases since July 8, the whooping cough epidemic in California has reached 6,170, according to the latest data from the California Department of Public Health (CDPH). The ...

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After several years of increases, the number of chlamydia cases dropped in 2013. However, gonorrhea and syphilis infections in the region continued to climb, the County Health and Human Services Agency...

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The California Department of Public Health declared a state‐wide epidemic of pertussis in June 2014. In Los Angeles County, 435 lab‐confirmed and probable cases, and another 386 suspect cases have...

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A 43-year-old Santee man has the first confirmed local case of West Nile virus (WNV) in 2014, the County Health and Human Services Agency reported today. This is the first local human case since 2012, according...