Most of the cases involved unvaccinated children passing it on to others, he said. When the outbreak started, about 75 percent of the children in the Ashland School District were immunized. Thats too small of a percentage to prevent the virus from marching through the community. To try to prevent more cases, the school district and county public health officials announced last week that unvaccinated students whose siblings or classmates became infected would be excluded from school for up to 21 days, the maximum length of time that symptoms usually appear. Chickenpox can be spread from the first day that someone is infected until all of their blisters have formed scabs. The announcement followed an emergency rule by the Oregon Public Health Authority calling for the exclusion of children infected with certain infectious diseases unless the public health officer deems they dont pose a threat to others.
Posted on: Fri, 23 Jan 2015 04:30:48 +0000
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