Employee out of isolation, no spread of polio virus. Investigation ongoing.

This message is an update after the polio virus infection of an employee at Bilthoven Biologicals. After an employee of Bilthoven Biologicals became infected with the polio virus, he was placed in isolation. On January 11, 2023, the employee was able to get out of isolation again. The employee no longer carries the virus and can therefore no longer infect others. The virus was also not found in the contacts of the employee that was examined.
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