DHEC has confirmed an outbreak of chicken pox at an Upstate school.

The agency said there have been three recent cases of chicken pox at Campobello-Gramling School. DHEC said three or more confirmed cases of chicken pox in one school is considered an outbreak.

Any student who has not received the chicken pox immunization will be not be allowed to attend school for 21 days from the last day of a confirmed case, per DHEC regulations.

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A representative with Spartanburg District 1 Schools said around 50 students are affected by the regulation. Thursday was the first day students that did not receive the vaccination were not allowed in school.

According to the school district, if a student receives the vaccination, they will be allowed to return to school immediately. The vaccine is required attend school, but the state allows exemptions for medical or religious purposes.

DHEC sent home a letter with students and staff that outlined the symptoms of chicken pox.

"While we do not believe there is any cause for concern, we are taking proper precautions and following DHEC regulations and guidelines to ensure the health and safety of all of our students," DHEC said.

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