Maryland health officials are monitoring two residents for potential hantavirus exposure after they shared a flight with a passenger who is reported to be infected. According to reports, the infected passenger is linked to a European cruise ship, the MV Hondius, and the virus is described as the Andes virus, a form of hantavirus. The Maryland Department of Health says the two residents are being evaluated because of their contact on the aircraft with the individual who later tested positive. Officials have not indicated that the residents are themselves ill, but the monitoring is intended to watch for symptoms during the relevant period after exposure and to determine whether any further public health actions are needed. The reporting across outlets frames the situation as a precautionary response based on exposure details from the shared flight, rather than a confirmed secondary case in Maryland.