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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.
Its mortality rate was 20% and as high as 80% for pregnant women. The disease's spread was eventually attributed to exposure to Amazon parrots imported from Argentina. Though C. psittaci was identified in 1930 as the agent responsible for psittacosis, it was not found to be a bacterium until examination by electron microscopy in the 1960s. [5]
X-ray or CT scans usually show physical changes to the lung structure (a "ground glass" appearance or a "mosaic" pattern) as the disease progresses. [1] [2] Mediastinal lymphadenopathy and bronchiectasis may also be seen. [1] Precise distribution and types of tissue damage differ among similar diseases, as does response to treatment with ...
A new study suggests human life expectancy is plateauing. In 2022, life expectancy in the US was 77.5 years, but values vary across states. Hawaii has the longest life expectancy, while ...
UN: Estimate of life expectancy for various ages in 2023; Locations Life expectancy for population in general Life expectancy for male Life expectancy for female Sex gap; at birth bonus 0→15 at 15 bonus 15→65 at 65 bonus 65→80 at 80 at birth at 15 at 65 at 80 at birth at 15 at 65 at 80 at birth at 15 at 65 at 80 Hong Kong: 85.51: 0.21: 70 ...
Psittacine beak and feather disease was first described in the early 1980s and has become recognised as the dominant viral pathogen of psittacine birds worldwide. In wild red-rumped grass parakeets (Psephotus haematonotus), a case of feather loss syndrome that was highly suggestive of PBFD was first recorded in South Australia in 1907. [2]
The virus Psittacid alphaherpesvirus 1 is the etiologic agent that causes Pacheco's disease. This virus species is closely related to Gallid alphaherpesvirus 1. [2] It was initially identified as a herpesvirus by examining its virion size, sensitivity to ether, the formation of intranuclear inclusions, its ability to thicken the nuclear membranes of the host cells.
Mason van Dyk (born 2013), despite being given a life expectancy of one to five days, was 5 years old as of July 2018. [35] Doctors told his mother, Lisa van Dyk, that he was the first case of harlequin ichthyosis in South Africa, and that she has a one-in-four chance of having another child with the disease .