In November 2022, a Bilthoven Biologicals employee became infected with the polio virus during his work. The company then ceased activities with active polio virus. An investigation into the cause and improvement actions were successfully carried out. On February 6, the company will restart production of polio vaccines.

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.

One of Bilthoven Biologicals’ (BBio) employees became infected with the polio virus during his work. Until the cause is completely clear and all processes have been checked again, BBio will cease activities with active polio virus.