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Chlamydia psittaci in birds is often systemic, and infections can be inapparent, severe, acute, or chronic with intermittent shedding. [2] [3] [4] C. psittaci strains in birds infect mucosal epithelial cells and macrophages of the respiratory tract.
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.
By the 2010s this reclassification "was not wholly accepted or adopted" [8] among microbiologists, which "resulted in a reversion to the single, original genus Chlamydia, which now encompasses all 9 species including Chlamydia psittaci." [8] As of 2013, Chlamydophila was still mentioned in some databases, but controversial. [9]
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.
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Bird flu can be transmitted from birds to humans if they come in close contact with infected animals. According to experts, infected birds shed flu viruses in their saliva, mucous, and feces.
The CDC confirmed the Louisiana infection on Friday, but did not announce it until Wednesday. It’s also the first U.S. human case linked to exposure to a backyard flock. 60 bird flu cases have ...
The 1929–1930 psittacosis pandemic, also known as the psittacosis outbreak of 1929–1930 and the great parrot fever pandemic, [2] was a series of simultaneous outbreaks of psittacosis (parrot fever) which, accelerated by the breeding and transportation of birds in crowded containers for the purpose of trade, was initially seen to have its origin in parrots from South America.