Psittacosis the 1920s–1930s outbreak in humans, a specific reservoir for serovar E has not been identified. The M56 and WC serovars were isolated during outbreaks in mammals. Treatment is usually with antibiotics, such as doxycycline or tetracycline, and can be administered through drops in the water or injections. Many strains of "C. psittaci" are susceptible to bacteriophages. Psittacosis was one of more than a dozen agents that the United States researched as potential biological weapons before the nation suspended its biological weapons program. The most high-profile death caused by parrot fever is that of Thea Selway, mother of Radiohead drummer and
Marek's disease evolution of Marek’s disease due to vaccination has had a profound effect on the poultry industry. All chickens across the globe are now vaccinated against Marek’s disease. Highly virulent strains have been selected to the point that any chicken that is unvaccinated will die if infected. Other leaky vaccines are commonly used in agriculture. One vaccine in particular is the vaccine for avian influenza. Leaky vaccine use for avian influenza can select for virulent strains which could potentially be transmitted to humans. Marek's disease Marek's disease is a highly contagious viral neoplastic disease in chickens. It is named after József