Hantavirus Outbreak Strands Cruise Ship Off West Africa

The MV Hondius cruise ship remains stranded off the coast of Cape Verde, an island nation near West Africa, due to a hantavirus outbreak affecting its 147 passengers and crew. As of May 4, the World Health Organization has confirmed two cases and reported five suspected cases, including three fatalities, one of whom had left the vessel. Hantavirus is infrequently found on cruise ships, with norovirus being the more common culprit. This virus is usually transmitted via rodent excretions, although the Andes strain can spread between humans, particularly in Argentina and Chile. The ship set sail from southern Argentina weeks prior. Since the initial detection of hantavirus in the U.S. during a 1993 outbreak, only 890 cases have been recorded through 2023. Symptoms can manifest one to eight weeks post-exposure, initially resembling flu, potentially escalating to severe conditions with varying mortality rates. While experts believe rodent contamination is the likely source, human transmission of the Andes virus cannot be ruled out, though a widespread outbreak is not anticipated.