233 staff members at 2 San Francisco hospitals have tested positive, most in breakthrough Delta infections.

233 staff members at 2 San Francisco hospitals have tested positive, most in breakthrough Delta infections.
By Eduardo Medina from NYT U.S. https://ift.tt/3zXEkda
San Francisco (Calif), Hospitals, Vaccination and Immunization, Coronavirus (2019-nCoV), Disease Rates, Contact Tracing (Public Health)