Forty-one people are currently being monitored for hantavirus in the United States, the US Centers for Disease Control and Prevention (CDC) announced today.

Most of these people will have to stay at home and avoid contact with others for a period of 42 days.

According to Dr. David Fitter, the CDC's incident manager, the 41 people come from three main groups. One is passengers from the MV Hondius cruise ship who were recently repatriated and are now in Nebraska and Emory. The second is other passengers who had disembarked from the ship and returned to the United States before the first cases emerged, and the third is people who may have been exposed to the virus while traveling on flights carrying coronavirus cases, Fitter told reporters.