The World Health Organization said a hantavirus outbreak on a cruise ship poses a low public health risk to the global population.

Health officials are monitoring the situation to prevent further spread, though the nature of the virus makes a wide-scale pandemic unlikely. Because hantavirus is typically transmitted by rodents rather than humans, the risk of a larger epidemic remains minimal.

The outbreak began on a cruise ship that departed April 1, 2026 [6]. The vessel was sailing toward the Canary Islands, which are Spanish territory, when the illness surfaced. At least seven people became sick aboard the ship [4], and three passengers died from the outbreak [3]. More than 140 passengers and crew remained on board as officials managed the crisis [5].

The virus has also been detected in nearby regions. One additional hantavirus case was confirmed in Spain [1]. In France, one patient is currently being oxygenated with an artificial lung [2].

During a press conference held on Tuesday in late April 2026, the WHO Director-General addressed the concerns regarding human-to-human transmission. "The risk to the general public remains low because the germ does not easily spread between people," the Director-General said.

Medical experts noted that hantavirus is a rodent-borne illness. The WHO Director-General said that the hantavirus outbreak poses low threat to global population [2]. Health officials continue to track the remaining passengers to ensure no further cases emerge as the ship reaches its destination.

The risk to the general public remains low because the germ does not easily spread between people.

While the deaths on the cruise ship are significant, the biological characteristics of hantavirus prevent it from behaving like a highly contagious respiratory virus. Because it requires specific animal-to-human contact or rare direct transmission, the outbreak is likely contained to the immediate environment of the ship and a few isolated cases in Europe.