Nigeria, July 3 -- The World Health Organisation (WHO) has declared the international hantavirus outbreak linked to the expedition cruise ship MV Hondius officially over after the last identified contact completed quarantine, tested negative and returned home.

WHO Director-General, Tedros Ghebreyesus, announced the development on Thursday, saying no new cases had been reported since 25 May.

"Today, the final contact of a person exposed to hantavirus on the cruise ship MV Hondius completed their quarantine period, tested negative and returned home," he said.

"No further cases have been reported since 25 May. We are therefore very pleased to say that WHO considers the outbreak of hantavirus over."

The outbreak attracted international at...