| occurrence and genetic analysis of picorna-like viruses infecting worker bees of apis mellifera l. populations in devon, south west england. | viruses of the european honeybee, apis mellifera l. are known to reside at low levels in colonies, typically showing no apparent signs of infection. using reverse transcription-pcr (rt-pcr), 23 apiaries in devon were screened for the presence of 6 honeybee viruses, with positive colonies being analysed for viral genetic diversity. ninety-seven percent of the colonies were positive for deformed wing virus (dwv), 29% were positive for acute bee paralysis virus (abpv) and 1.4% were positive for bot ... | 2008 | 18359042 |