Health

Old Moderna research triggers false hantavirus claims online

A hantavirus outbreak aboard an Atlantic cruise ship has revived Covid-era conspiracies, with posts falsely alleging an old Moderna hantavirus research project proves the disease was a "hoax" designed to promote a mass vaccination event. The initiative aimed to address a "long-neglected pathogen" that continues to infect patients since it was documented in the 1950s, Moderna's partner university in South Korea told AFP. While deadly, the virus is unlikely to cause a global pandemic, according to multiple health experts.

“Exposing the hanta ‘virus’ hoax!!” reads a Korean-language X post shared May 7, 2026.
“Moderna began developing a hantavirus mRNA vaccine in 2024,” it says, adding this was the “exact same playbook” the world saw with the Covid-19 pandemic.
“Scaring