PITTSBURGH (KDKA/AP) — CONSOL Energy has issued a health warning to 500 of its employees.

According to the Associated Press, the alert comes after a miner died from a rare form of meningitis.

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The employee worked at the Bailey Mine in Greene County and went home on Monday with flu-like symptoms, the AP reports.

He died on Tuesday.

Health officials say this form of meningitis is spread through saliva.

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The Associated Press reports that CONSOL Energy has contacted the Pennsylvania Department of Health.

Now, officials are trying to determine how and when the worker got sick.

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