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BEAVERTON, Ore. The Beaverton School District canceled all after-school activities and sports at Rock Creek Elementary Friday and throughout the weekend after a virus spread throughout the school, officials said.

Washington County Public Health was working with the school district to stop the spread of the sickness, which is likely caused by norovirus.

At least 100 students were sickened by the virus, according to a report in The Oregonian. That means about a fifth of the students are affected.

There will be regular bus service today, but all after-school activities and sports are cancelled so that disinfecting and deep cleaning can occur, said a statement released by the school district Friday. Weekend activities for Rock Creek Elementary School are also cancelled.

Click for the latest updates

More: Highly contagious norovirus spreading quickly

Health officer Jennifer Vines said any student or staff member with symptoms like diarrhea or vomiting should stay away from the school until at least 24 hours after the symptoms have stopped.

I know some kids have been sick but didn't know so many all at once, so its pretty scary to find that out, said parent Traci Eastwood.

There is no treatment or vaccine for norovirus. To help avoid getting this illness, Vines recommended the following tips:

  • Stay at home when ill to avoid further spread.
  • Wash hands well and often. Always wash hands after using the toilet and before eating/preparing food.
  • Flush vomit and feces down the toilet.
  • Wash contaminated clothing or linens in hot water.
  • For cleaning at home, mix one-third cup bleach to one gallon of water. Re-make every 24 hours. Caution: This may ruin certain surfaces.

Click here for a list of symptoms, prevention tips and other norovirus resources

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