MONROVIA: Liberia’s health ministry said the country was free of Ebola, meaning there are no known cases of the deadly tropical virus left in West Africa, on Thursday. “Liberia is again free of Ebola. We have just ended the incubation period following the last case,” Sorbor George, chief of communication at the ministry told. Liberia was the country worst hit by the outbreak, with more than 4,800 people killed. At its peak in 2014, Ebola sparked anxiety about a possible global pandemic and led some governments to threaten or unilaterally enforce travel bans to and from the worst-affected countries including Liberia, Sierra Leone and Guinea. Guinea was declared Ebola-free by the World Health Organization on June 1 and Sierra Leone on March 17. In all, the virus affected 10 countries, including the United States and Spain, with more than 28,000 cases reported.