MV Hondius. AFP Yonhap News The cluster of hantavirus infections that occurred on a cruise ship has officially ended with the release of the last quarantined person. World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus said at a press conference on the 2nd (local time), “Today, the final contact of the person exposed to hantavirus on the MV Hondius completed the quarantine period and returned home after receiving a negative test result.”