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Ebola: Liberia Reinstated as a High-Risk CountryAlthough Liberia had been declared Ebola-free since May 9, 2015, three cases—one of which was confirmed by the country’s Ministry of Health—were reported between June 30 and July 1:- The first case, confirmed on June 30, is a 17-year-old man who died in a town located a few dozen kilometers from Monrovia International Airport (Margibi County). The source of the infection is currently under investigation. According to press sources, 27 contacts have been identified and are being monitored.- On July 1, two additional cases were also reported by press sources citing a national health official. According to these same sources, other test results are pending. Following the emergence of this new chain of transmission, the InVS case definition was amended on July 1 to reinstate Liberia as a risk area (along with Guinea and Sierra Leone).As of June 24, 2015, the World Health Organization (WHO) reported a total of 27,479 cases (suspected, probable, and confirmed) and 11,222 deaths in the three most affected countries in West Africa (Guinea, Sierra Leone, and Liberia). The number of new cases reported (N=20) in Guinea and Sierra Leone in week 25 is lower than in the previous week (N=24):- In Sierra Leone, which had not reported any cases for more than two weeks, eight new cases have been reported across three districts: Kambia, Port Loko, and the capital Freetown and its surrounding areas. Of these cases, 4 do not belong to a known transmission chain. - In Guinea, 12 new cases were reported. In total, 4 prefectures in Lower Guinea (Dubréka, Forécariah, Conakry, and Boké) reported new cases. Cases have been reported for the past three weeks in these same prefectures, where active transmission zones have spread to new sub-prefectures.For several weeks, the weekly number of new reported cases has fluctuated between 5 and 31. Although the number of new reported cases is significantly lower than in 2014, these fluctuations indicate that the epidemic is not over. Strengthening community engagement, identifying new cases, and actively monitoring contacts remain a priority.