A viral story claiming that a rat blamed for starting the recent hantavirus scare was publicly hung in Spain in front of thousands of people has now been widely debunked, as fact-checkers and health officials push back against growing online misinformation.

The bizarre claim spread rapidly across social media platforms alongside mounting public anxiety surrounding the recent hantavirus outbreak linked to the cruise ship MV Hondius.

However, multiple fact-checking organizations and public health experts say there is no evidence supporting the viral story.

Where the Viral Claim Came From

Posts circulating online alleged that residents in Spain had captured and publicly displayed a rat supposedly connected to the outbreak, with some versions falsely claiming that over 12,000 people attended the event.

The story quickly gained traction because of rising fear around the rare Andes strain of hantavirus currently under investigation following cases connected to the cruise ship.

Many posts also attempted to tie the story into conspiracy theories about government cover-ups, new pandemics, or secret experiments.

Fact-Checkers Say There Is No Evidence

Several Spanish-language fact-checking outlets have now rejected the viral claims, saying there is no verified evidence that such an event ever happened.

Public health officials in Spain have also dismissed online rumors surrounding “infected rats” spreading through cities or swimming from the quarantined ship to shore.

According to Catalonia’s public health secretary, claims involving “swimming rats” linked to the outbreak were described as “absolutely implausible.”

The Hantavirus Outbreak Has Fueled Online Panic

The outbreak connected to the MV Hondius cruise ship has generated widespread international attention after several confirmed cases and deaths involving the Andes strain of hantavirus.

Unlike most hantavirus strains, the Andes variant is one of the few known forms capable of limited human-to-human transmission under specific conditions.

Still, health experts stress that the virus is not new and does not currently resemble the conditions required for a global pandemic.

Experts Warn About Misinformation During Health Scares

Health officials say major outbreaks or unusual disease stories often trigger waves of misinformation online, especially on social media platforms.

False claims involving miracle cures, secret vaccines, infected animals, or government conspiracies have all circulated heavily during the current hantavirus coverage.

Medical experts continue encouraging the public to rely on official health agencies and verified reporting rather than viral posts designed to provoke fear or outrage.