A man walk past signpost of National Hospital in Abuja, on January 14, 2016. At least 44 people have died from Lassa fever in Nigeria with the death toll expected to rise, underscoring the difficulty in combating deadly viruses in a region still reeling from Ebola. While health authorities assure Africa's most populous country of more than 170 million they have the haemorrhagic virus under control, there are fears the scale of the outbreak is being downplayed. / AFP / STRINGER (Photo credit should read STRINGER/AFP via Getty Images)
