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Chlamydia psittaci is a lethal intracellular bacterial species that may cause endemic avian chlamydiosis, epizootic outbreaks in other mammals, and respiratory psittacosis in humans. Potential hosts include feral birds and domesticated poultry, as well as cattle, pigs, sheep, and horses.
Psittacosis—also known as parrot fever, and ornithosis—is a zoonotic infectious disease in humans caused by a bacterium called Chlamydia psittaci and contracted from infected parrots, such as macaws, cockatiels, and budgerigars, and from pigeons, sparrows, ducks, hens, gulls and many other species of birds.
Chlamydia is a genus of pathogenic Gram-negative bacteria that are obligate intracellular parasites. Chlamydia infections are the most common bacterial sexually transmitted diseases in humans and are the leading cause of infectious blindness worldwide.
The purpose of this compendium is to provide information about Chlamydophila psittaci to all those concerned with the control of the disease, which had 66 reported human cases between 2005 and 2009. It includes standardized procedures to control avian chlamydiosis in birds, which causes the disease in humans.
In addition, a cockatiel purchased at the flea market tested positive for avian chlamydiosis, sometimes called “parrot fever.” It is a bacterial infection that can cause the illness ...
Pacheco's disease most commonly occurs in Amazon parrots, followed by African grey parrots, parrots, macaws, cockatoos and conures. [4] Due to a very high mortality rate within these susceptible species, concerns are brought to companion bird markets and breeders. [5] [6] The main sign of Pacheco's disease is a sudden and rapid death of birds.
Of various Chlamydiota that cause human disease, the two most important species are Chlamydia pneumoniae, which causes a type of pneumonia, and Chlamydia trachomatis, which causes chlamydia. Chlamydia is the most common bacterial sexually transmitted infection in the United States, and 2.86 million chlamydia infections are reported annually.
All Chlamydiota are anaerobic bacteria with a biphasic developmental lifecycle that depends on obligately intracellular growth in eukaryotic host cells.. Chlamydophila was recognized by a number of scientists in 1999, [3] with six species in Chlamydophila and three in the original genus, Chlamydia.