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BFL is caused by an immune response to inhaled allergens from birds, [3] which induce a type III hypersensitivity reaction through the formation of immune complexes within the lung parenchyma. [5] This may be the dry dust of droppings, or feathers. These antigens can come from any bird. [1] BFL may be caused by allergens from pigeons.
[2] [3] Symptoms of this infection vary greatly, but the disease affects primarily the lungs. [4] Occasionally, other organs are affected; called disseminated histoplasmosis, it can be fatal if left untreated. H. capsulatum is found in soil, often associated with decaying bat guano or bird droppings. Disruption of soil from excavation or ...
Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a syndrome caused by the repetitive inhalation of antigens from the environment in susceptible or sensitized people. [1] [2] Common antigens include molds, bacteria, bird droppings, bird feathers, agricultural dusts, bioaerosols and chemicals from paints or plastics. [3]
Cancer patient Gail Armstrong, 73, died in January 2019 after she was diagnosed with cryptococcus, a fungal infection linked to pigeon droppings, in late autumn the previous year while being ...
It is believed the patients contracted the Cryptococcus infection after the droppings somehow made their way into a non-public room containing machinery. Two people have died after pigeon dropping ...
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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.
It is caused by the fungi Cryptococcus neoformans or less commonly Cryptococcus gattii, and is acquired by breathing in the spores from the air. [4] These fungi are found around the world in soil, decaying wood, pigeon droppings, and in the hollows of some species of trees.