LANSING, Mich. (Great Lakes News) – United Airlines said nearly 600 of its employees are facing termination for refusing to get a COVID-19 vaccine.

The company announced a vaccine mandate policy in August, which gave employees until Monday, Sept. 27 to show proof they had received at least one shot.

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A United spokesperson said the vaccine policy has benefited the company’s recruiting and that new workers are applying specifically because of the mandate.