west nile virus surveillance in romania: 1997-2000. | in response to the 1996 west nile (wn) fever epidemic that occurred in bucharest and southeastern romania, a surveillance program was established. the surveillance system detected 39 clinical human wn fever cases during the period 1997-2000: 14 cases in 1997, 5 cases in 1998, 7 cases in 1999, and 13 cases in 2000. thirty-eight of the 39 case-patients lived in the greater danube valley of southern romania, and 1 case-patient resided in the district of vaslui, located on the moldavian plateau. the ... | 2001 | 11572635 |