By NewsDesk  @infectiousdiseasenews

Officials with the St. Clair County Health Department are reporting a chickenpox (varicella) outbreak at Marysville High School.

A number of varicella, or chickenpox lesions on the face of a young child/CDC

Marysville school district officials have been working closely with the Health Department to identify approximately 37 susceptible, unvaccinated students.

Letters from the Health Department were given to the district to help with parent notification.

In accordance with Michigan Public Health Code, exposed susceptible students who cannot provide
documentation of vaccination or immunity history will be excluded from attending school, work or
extracurricular activities until 21 days after the last identified case (date to be determined and dependent on cases). Immunity is defined as:

  • Documentation of two valid doses of any appropriate live varicella vaccine at or after 12
    months of age
  • Lab evidence of immunity or confirmation of the disease

Students will be re-admitted to school upon getting vaccinated or providing the Health Department with acceptable documentation of immunity.

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Dr. Annette Mercatante, St. Clair County Health Department’s Medical Health Officer stated “The
chickenpox (varicella) vaccine is the best protection from chickenpox. It is important to make sure you
and your children’s vaccines are up to date to help prevent outbreaks and protect people who can’t be