Shasta announces measles outbreak is over, 10th case was misdiagnosed
The Shasta County Health and Human Services Agency announced the end of Shasta’s measles outbreak yesterday. The outbreak contained nine cases total.

Shasta County Health and Human Services Agency Public Health staff have announced that the county’s measles outbreak is officially over, as the most recent case was misdiagnosed.
The agency said in a press release yesterday that staff received new results from a confirmatory test, which ruled out measles for the case identified in late March. That case would’ve been Shasta’s 10th measles case of this outbreak.
Since the case was misdiagnosed, the county’s measles outbreak officially ended on March 30.
“All individuals who contracted measles during the outbreak have fully recovered and have returned to their normal activities,” officials said in the release.
California has had 35 confirmed measles cases this year, and the majority of cases were in children. The nine individuals who contracted measles in Shasta were also identified as children. They were confirmed to be either unvaccinated or had no known history of vaccination.
No new cases of measles have been confirmed in the state for the month of April.
Shasta health officials reminded the public in yesterday’s press release that the measles-mumps-rubella (MMR) vaccine is the most effective way to protect against measles, with a 97% effectiveness rate with two doses. Public Health staff also advised those who are unvaccinated against measles to limit travel to areas with active measles outbreaks.
Staff added that those who believe they have been exposed to measles should isolate and call their physician to prevent future outbreaks.
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