Drug experts say it could spell the end of the crack epidemic.禁毒专家说它可能会结束强效可卡因吸食泛滥的局面。Health officials have successfully confined the epidemic to the Tabatinga area.卫生官员成功地将疫情控制在塔巴廷加地区。The major impact of this epidemic w...
A typhus epidemic struck in the winter of 1919–20.1919至1920年的冬天斑疹伤寒症流行.the containment of the epidemic对流行病的控制There is abundant academic thinking and methods of truncating and reversing acute epidemic febrile diseases.《温疫...