Several passengers on the cruise ship MV Hondius tested positive or showed symptoms of the Andes strain of hantavirus after arriving in Tenerife on May 10 [1].

The incident raises global health concerns because the passengers represent 23 different countries [1], increasing the risk of the virus spreading across international borders as travelers return home.

According to the U.S. Department of Health and Human Services, one of 17 U.S. citizens who had already disembarked by May 10 tested positive via PCR test [1]. Another U.S. passenger is showing symptoms suspected to be the hantavirus [1]. Additionally, one French female passenger tested positive for the virus during a return flight [1].

Chigusa Kaga, JNN London bureau chief, said the presence of passengers from so many nations has drawn significant attention from international media outlets in the Canary Islands [1].

There was initial confusion regarding the health status of those on board. The ship's operation manager said all passengers were asymptomatic [1]. However, this statement contradicted reports from health officials and journalists who noted a succession of passengers reporting symptoms and positive test results [1].

The ship arrived at the Spanish territory of Tenerife Island on May 10 [1]. A refueling operation for the vessel was scheduled for the morning of May 11 [1].

Health officials have warned of the potential for further spread and advised those exposed to take proper precautions to mitigate the risk of infection [1].

“one of 17 U.S. citizens who had already disembarked by May 10 tested positive via PCR test”

The detection of the Andes strain of hantavirus is particularly significant because, unlike many other hantaviruses, the Andes strain is known for its potential for person-to-person transmission. With passengers from 23 countries dispersing globally, health agencies must coordinate international surveillance to prevent a wider outbreak.