The escalating health crisis aboard the expedition cruise shipMV Hondiushas triggered a wave of concern as health officials continue to investigate and contain the rare but deadly hantavirus that has already claimed three lives.

While the maritime tragedy has triggered trending fears of a burgeoning pandemic, global health authorities are moving quickly to provide clarity on the actual risk to the United States and the wider public.

MV Hondius, a Dutch-operated vessel specialising in polar voyages, is currently en route to Tenerife, Canary Islands, after it had become the centre of a multi-country health emergency following the recorded cases of hantavirus on board.

According to theWorld Health Organisation (WHO), eight cases have been identified among the 147 passengers and crew. Three deaths have been confirmed so far. The ship, which departedUshuaia, Argentina, in early April, reported its first death, a 70-year-old Dutch passenger, on 11 April.

The victim's wife, 69, later succumbed to the virus in a South African hospital, and a German national was the third victim of the virus, who died on 2 May. The vessel carries passengers from 23 nationalities, including 19 Britons and 17 Americans.

As confirmed by the WHO, the outbreak on the cruise ship involves the Andes virus strain. Unlike most hantaviruses, which require direct contact with rodent waste, the Andes variant is known for limited human-to-human transmission. This rare capability is the primary driver behind the current international alarm.

Orthohantaviruses, commonly known ashantaviruses, are typically zoonotic, meaning they spread from animals to humans through inhalation of airborne virus particles from the urine, droppings, or saliva of infected rodents. There are at least38 species, 24 of which can cause disease in humans.

As reported byThe Guardian, the fatality rate of the virus depends on the strain. 'Old World' variants in Europe and Asia mainly affect the kidneys and carry a 1–15% mortality rate, while 'New World' strains in the Americas can cause Hantavirus Pulmonary Syndrome (HPS), with a death rate of about 40%.

The Andes virus strain found in MV Hondius belongs to the 'New World' strain. Currently, there are no vaccines or specific antiviral treatments, with care focused on hospitalisation, oxygen support, and fluid management.

Despite the chilling headlines, the WHO has been firm in its assessment of the global threat level. WHO Director-GeneralDr Tedros Adhanom Ghebreyesusconfirmed that while more cases may emerge due to the six-week incubation period, the outbreak is expected to remain limited. Dr Tedros said, 'While this is a serious incident, WHO assesses the public health risk as low.'

Source: International Business Times UK