Rare hantavirus cases spark concern after travel-linked infections

A rare hantavirus infection has been detected in Israel after a traveller returned from Eastern Europe. Meanwhile, concerns have grown following suspected cases on a cruise ship and a long-haul flight, prompting health experts to monitor the situation closely. The first confirmed case in Israel involved an individual who had recently travelled from Eastern Europe. Around the same time, a flight attendant working the Amsterdam–Johannesburg route was suspected of carrying the virus. Earlier, passengers aboard the MV Hondius cruise ship had also tested positive for hantavirus.

Unlike COVID-19, hantavirus does not spread easily through the air, according to Alexei Agranovsky, a virology professor at Moscow State University. Known strains typically require close contact for transmission and do not pass between humans under normal circumstances. However, the World Health Organization has warned that the virus has a long incubation period, meaning new cases could still appear weeks after exposure. Agranovsky has stated that the current risk of a widespread outbreak in Russia remains low. He stressed the importance of ongoing surveillance but noted there is no evidence to suggest an imminent pandemic. Should a more contagious variant emerge, he added, vaccine research might become essential to control its spread.

Health authorities continue to track hantavirus cases, particularly among travellers and in confined settings like ships and aircraft. While transmission remains limited, the long incubation period means further cases could still be identified in the coming weeks.