CHICAGO (CBS) — A police officer and civilian employee are the latest members of the Chicago Police Department to become sick with COVID-19, interim Police Supt. Charlie Beck said in a note sent to the department.

There are now 11 CPD members infected with the novel coronavirus, which causes the COVID-19 disease.

The note, obtained by CBS 2, said the police officer learned on Wednesday of the infection. That officer last worked at a South Side district on March 21, when the officer started to feel sick.

A civilian employee, who last worked at a West Side district on Wednesday and felt sick, received a positive test that day.