CHICAGO (AP) — Illinois Gov. J.B. Pritzker will quarantine for two weeks at home after a member of his administration tested positive for COVID-19.

The staff member had attended events with the first-term Democrat all last week including in Chicago, Marion and Marseilles. The aide tested positive Monday after feeling symptoms.

Pritzker and other administration members tested negative the same day. Pritzker’s office says the government and the staff member were wearing masks during all interactions.

According to his office, Pritzker will remain in isolation for 14 days and conduct news media briefings remotely.