title: Survival of small amounts of Coxsackie A4 virus in Danube river water under laboratory conditions.
mesh_terms: D000818:Animals; D003604:Czechoslovakia; D004770:Enterovirus / Q000254:growth & development / Q000302:isolation & purification*; D005618:Fresh Water; D051379:Mice; D009500:Neutralization Tests; D012621:Seasons; D013696:Temperature; D013997:Time Factors; D014871:Water Microbiology; D014876:Water Pollution