( CNN ) -- One hundred thirty new cases of Ebola were identified during a three-day lockdown in Sierra Leone , Stephen Gaojia , the country 's head of emergency operations , said Monday . Officials are awaiting tests on another 39 potential cases , he said . During the lockdown from Friday through Sunday , no one was allowed to leave home . More than 75 % of the targeted 1.5 million households were contacted , according to the Health Ministry . The latest report from the World Health Organization , released Monday , says at least 2,803 people have died during the Ebola outbreak in Guinea , Liberia and Sierra Leone . In these three countries -- the hardest hit by the epidemic -- there have been at least 5,843 confirmed , probable or suspected cases . The death toll includes victims in all three categories . The first Ebola case was documented in December . The WHO is also tracking the virus in Senegal and Nigeria , where a much smaller number of cases have been confirmed . Only one case was confirmed in Senegal , and no deaths have been reported . In addition , the WHO reported , all of those believed to have been in contact with the infected person have completed follow-up evaluations with no further Ebola cases confirmed . The virus is spread through contact with bodily fluids , and early symptoms include sudden onset of fever , weakness , muscle pain , headaches and a sore throat . The virus is named after the Ebola River in the Democratic Republic of Congo ( formerly Zaire ) , where one of the first outbreaks occurred in 1976 .
130 new cases were reported during a 3-day lockdown in Sierra Leone . More than 75 % of the targeted 1 million households were contacted . At least 2,803 people have died from Ebola in Guinea , Liberia and Sierra Leone .