EntityQ1639798· pop 29· linked from 661 articlesindex caseSign in to saveinitial patient in the population of an epidemiological investigationConnectionspathogenEntityWestern African Ebola virus epidemicEntityendemic diseaseEntitydisease outbreakEntityAfricaEntityLondonCityHong KongCityGuineaCountryHaitiCountryCOVID-19EntitydiseaseEntityCOVID-19 pandemicEntityHIV/AIDSEntityWorld Health OrganizationEntityvirusEntityfloodEntityInternational Standard Book NumberEntitypandemicEntityEbola hemorrhagic feverEntityantibioticEntityCategoriesBiological hazardsEpidemiologyIndex cases