Figure 1.

Number of healthcare workers with confirmed COVID-19 by day of presentation to the clinic (blue bars). The number of patients with COVID-19 who were admitted to the hospital for the study period (A, green line) and the number of microbiologically confirmed reported cases in the Madrid Autonomous Region (MAR) (B, orange line) are also shown. Weekend days (Saturday and Sunday) are March 7^th–8^th, 14^th–15^th, 21^st–22^nd and 28^th–29^th, and April 4^th–5^th, 11^th–12^th, 18^th–19^th, 25^th–26^th. One patient with COVID-19 who stayed in the hospital from February 24^th to 28^th is not shown in (A). HCWs, healthcare workers.