| bluetongue virus isolations from midges belonging to the obsoletus complex (culicoides, diptera: ceratopogonidae) in italy. | between july and september 2002 there were outbreaks of bluetongue on three sheep holdings in the communities of san gregorio magno (salerno, campania), laviano (salerno, campania) and carpino (foggia, puglia), and the involvement of bluetongue virus (btv) was confirmed serologically and virologically. the mortality rate was at least 11 per cent and involved btv serotype 2 (btv-2) and serotype 9 (btv-9). these holdings were also surveyed for the culicoides (diptera: ceratopogonidae) vectors; app ... | 2005 | 16055660 |