Health authorities are investigating a hantavirus outbreak linked to the MV Hondius cruise ship after laboratory testing identified the Andes virus (ANDV), a strain of hantavirus. Multiple outlets report that the outbreak is confined to the ship’s passengers and crew, who are being monitored or quarantined while further testing and epidemiological inquiries continue. The World Health Organization says eight cases are laboratory-confirmed for Andes virus infection, with additional cases classified as probable and inconclusive pending further results. NBC News and Live Science describe Andes virus as the hantavirus strain known to spread between humans, and other reporting explains that this virus is typically associated with South America and causes severe illness in some infected people. Several sources state that three people have died in connection with the outbreak and that additional passengers have been sickened. The Conversation and other expert commentary note that Andes virus is not highly transmissible between humans and that the risk to the general public is considered low, with concern focused on controlling exposure among those on the vessel and monitoring for new cases during the incubation period.