well am not tryin 2 b clever i was tellin another member that my birds had y,b sickness and i cure it in 24 hrs,,they were bein sick and sittin humpy in the perches but they werent dyin so i knew what it and other info mation was proven by a friends report from defra or the maff who ever confirmin his birds had aspergillosis and his birds were doin same as garys were bein sick sitin humpy then droppin off perch dead,,, i only give ppl advice that i know and seen and only give my opinion and wud nva pretend 2 do a vets job it was just a bit ov info not 2 make him panic about PMV as u say there plenty ov diseases that are the same with same outcome