SAN FRANCISCO (CBS SF/BCN) – The nonprofit St. Vincent de Paul of San Francisco reported an outbreak of COVID-19 cases at two shelters in the city Wednesday.

The Division Circle Navigation Center on South Van Ness Avenue has had more than half of its 88 residents test positive as well as three staff members, while the Multi-Service Center South on Fifth Street has had 17 clients and nine staff members infected with the virus.

READ MORE: Body of Missing Stanford Nurse Found in Fremont

“This one really surprised us,” Shari Wooldridge, executive director of the nonprofit, said in a statement. “It just suddenly flared at both shelters.”

READ MORE: UPDATE: 4 Minors Arrested In Connection with Shooting in Hillsdale Mall Parking Lot

Officials with St. Vincent de Paul, which started in Paris and established its San Francisco chapter in 1860, said quarantine hotels are reaching capacity so the nonprofit is working with the city to find places for its clients to stay isolated after testing positive.

MORE NEWS: UPDATE: Police Shoot, Kill Armed Suspect Outside International Terminal at SFO

© Copyright 2022 CBS Broadcasting Inc. and Bay City News Service. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.