PORUM, Okla. - A Muskogee County school is canceling classes Friday.
Porum Public Schools administrators made the decision after receiving numerous reports of flu and stomach-related illnesses.
An Adair County school district announced Wednesday night it would be closing down until Tuesday after an outbreak of the flu.
READ: 'Westville closed until Tuesday' (http://bit.ly/Westvilleflu)
Last week, Keifer Public Schools also made the decision to end the week early.
READ: 'Flu closes down Keifer' (http://bit.ly/Kieferflu)
The flu has hit the state in full force this winter, trumping last year's flu rate by a wide margin.
Nearly 500 people have been hospitalized in Oklahoma as of Thursday, according to the Oklahoma State Department of Health.
Visit www.kjrh.com/flu for vaccine information, flu facts, tips on how to stay healthy and other resources.
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Memorial Day marks the unofficial start to summer and many Oklahomans are expected to spend the weekend at area lakes.