May 3 (UPI) -- Three passengers on a cruise ship off West Africa have died from suspected hantavirus and at least three others are receiving medical treatment, cruise and health officials said Monday.

The cruise ship Hondius of Oceanwide Expeditions is currently off the coast of Cape Verde and is experiencing a "serious medical situation," the Dutch tour company said in a statement.

It confirmed three passengers had died, one passenger was receiving treatment in intensive care in Johannesburg, South Africa, and two crew members required "urgent medical care."

Cape Verdean health officials have assessed two symptomatic suspected cases of hantavirus on the vessel but had not decided whether to transfer them to local medical facilities, it said.

Related