CONAKRY - Staff with the World Health Organisation battling an Ebola outbreak in West Africa see evidence the numbers of reported cases and deaths vastly underestimates the scale of the outbreak, the UN agency said on its website on Thursday.
The death toll from the world's worst outbreak of Ebola stood on Wednesday at 1,069 from 1,975 confirmed, probable and suspected cases, the agency said. The majority were in Guinea, Sierra Leone and Liberia, while four people have died in Nigeria.
The agency's apparent acknowledgement the situation is worse than previously thought could spur governments and aid organisations to take stronger measures against the virus.
"Staff at the outbreak sites see evidence that the numbers of reported cases and deaths vastly underestimate the magnitude of the outbreak," the organisation said on its website.
"WHO is coordinating a massive scaling up of the international response, marshalling support from individual countries, disease control agencies, agencies within the United Nations system, and others."
International agencies are looking into emergency food drops and truck convoys to reach hungry people in Liberia and Sierra Leone cordoned off from the outside world to halt the spread of the virus, a top World Bank official said.
In the latest sign of action by West African governments, Guinea has declared a public health emergency and is sending health workers to all affected border points, an official said.
An estimated 377 people have died in Guinea since the outbreak began in March in remote parts of a border region near Sierra Leone and Liberia.
Guinea says its outbreak is under control with the numbers of new cases falling, but the measures are needed to prevent new infections from neighbouring countries.
"Trucks full of health materials and carrying health personnel are going to all the border points with Liberia and Sierra Leone," Aboubacar Sidiki Diakite, president of Guinea's Ebola commission, said late on Wednesday.
As many as 3,000 people are waiting at 17 border points for a green light to enter the country, he said. "Any who are sick will be immediately isolated. People will be followed up on.
We can't take the risk of letting everyone through without checks." Sierra Leone has declared Ebola a national emergency as has Liberia, which is hoping that two of its doctors diagnosed with Ebola can start treatment with some of the limited supply of experimental drug ZMapp.
Canada's Tekmira Pharmaceuticals Corp is also exploring making more of its experimental Ebola treatment, Chief Executive Officer Mark Murray said.
Nigeria also has declared a national emergency, although it has so far escaped the levels of infection seen in the three other countries.
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Health experts say government responses to the disease need to be calibrated to prevent its spread, while avoiding measures that could induce panic or damage economies unnecessarily.
That task is harder because health services have been stretched to the breaking point and mistrust of health workers among some rural communities is high. In addition, 170 healthcare workers have been infected and 81 have died.
A Liberian government document seen by Reuters shows the strain on its health ministry as it confronts the emergency.