The employee lives in Arizona and has been self-quarantined, along with other members of the Reds staff who were in close contact. The employee worked at the complex from Feb. 29 through March 14.
Major League Baseball has shut down spring training and pushed back the start of the season until at least mid-May because of the pandemic.
While players in the NBA and the NHL have tested positive for the COVID-19 virus, no Major League Baseball player is known to have been infected. Two New York Yankees minor leaguers have tested positive for the virus.
On Tuesday, the Ottawa Senators announced that one of their players — who wasn’t identified — had tested positive, the first known case in the NHL.
The virus cases only mild or moderate symptoms for most people, such as a cough and fever. Older adults and those with existing health problems can develop more severe illness, including pneumonia.
The vast majority of people recover from the virus. Those with a mild illness recover in about two weeks, according to the World Health Organization, while those with more severe forms make take three to six weeks.