A small group of Transportation Security Administration employees working at the Norman Y. Mineta San Jose International Airport in California tested positive for COVID-19.

The TSA confirmed on Tuesday that three employees who work as security screeners tested positive for the coronavirus. TSA Union officials reported the three infected employees would have come into contact with thousands of travelers. The union also noted that at least 40 employees had been placed in self-quarantine after coming into contact with the infected employees.