It is transmitted by insects or through faecal contamination of food and water as well as direct contact with infected birds. Budgerigars, Cockatiels and most other members of the psittacine family as well as Conures are highly susceptible.
Incubation is from five days to two weeks.
The virus attacks the liver, spleen, intestines, lungs, bone marrow and kidneys. If a bird recovers from the virus its immunity lasts for about six months. Clinical Signs 1. Bright yellow diarrhoea. Treatment And Control Vaccinations are not presently available.