Pacheco's disease it is named after the Brazilian veterinarian, Genesio Pacheco, who first came across the disease in 1929, in an outbreak affecting the turquoise-fronted amazon parrot, "Amazona aestiva". Initially, Pacheco's disease was thought to be a manifestation of avian psittacosis. The causative agent of the disease, a herpesvirus, was not identified until 1975. Pacheco's disease Pacheco's disease is an acute and often lethal infectious disease in psittacine birds. The disease is caused by a species of herpesvirus, Psittacid alphaherpesvirus 1 (PsHV-1), which consists of four genotypes. Birds which do not succumb to Pacheco's disease after infection with the virus become asymptomatic
Behçet's disease manifestations of the disease. The mechanism can be immune-mediated or thrombotic. The term dates back to at least 1990. Behçet's disease Behçet's disease (BD) is a type of inflammatory disorder which affects multiple parts of the body. The most common symptoms include painful mouth sores, genital sores, inflammation of parts of the eye, and arthritis. The sores typically last a few days. Less commonly there may be inflammation of the brain or spinal cord, blood clots, aneurysms, or blindness. Often the symptoms come and go. The cause is unknown. It is believed to be partly genetic. Behçet's is not contagious.