WHO says six hantavirus cases confirmed so far

"As of 8 May, a total of eight cases, including three deaths (case fatality ratio 38%), have been reported. Six cases have been laboratory-confirmed as hantavirus infections, with all identified as Andes virus (ANDV)," it said in a statement.

"WHO assesses the risk to the global population posed by this event as low and will continue to monitor the epidemiological situation and update the risk assessment".

"The risk for passengers and crew on the ship is considered moderate," it added.