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Chickenpox is an airborne disease which easily spreads via human-to-human transmission, typically through the coughs and sneezes of an infected person. [5] The incubation period is 10–21 days, after which the characteristic rash appears. [2] It may be spread from one to two days before the rash appears until all lesions have crusted over. [5]
A zoonosis (/ z oʊ ˈ ɒ n ə s ɪ s, ˌ z oʊ ə ˈ n oʊ s ɪ s / ⓘ; [1] plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite, or prion) that can jump from a non-human vertebrate to a human.
chicken is the animal ... it was differentiated from other diseases that caused ... which affects the ability to cause sustained human-to-human transmission, or the ...
800,000 chickens at an egg farm near Pasco are being euthanized. ... Officials also are watching to make sure the virus does not evolve to cause more serious symptoms in humans in the United ...
A survey of free-ranging chickens in the United States found its prevalence to be 17–100%, depending on the farm. [130] Because chicken meat is generally cooked thoroughly before consumption, poultry is not generally considered to be a significant risk factor for human T. gondii infection. [131]
Some LP strains such as certain Asian H9N2 lineages, adapted to efficient replication in poultry, may cause more prominent signs and also significant mortality. [15] [16] In its highly pathogenic form, the illness in chickens and turkeys is characterised by a sudden onset of severe symptoms and a mortality that can approach 100% within 48 hours.
It causes chronic respiratory disease (CRD) in chickens and infectious sinusitis in turkeys, chickens, game birds, pigeons, and passerine birds of all ages. [1] [2] Mycoplasma gallisepticum is a significant pathogen in poultry. Mycoplasmosis is the disease caused by infection with mycoplasmas. Mycoplasmas have many defining characteristics.
In Japan, H5N2 virus was isolated or an anti-H5 antibody was identified from chickens in 40 chicken farms in Ibaraki Prefecture and in one chicken farm in Saitama Prefecture from June through December 2005. The strain was named as A/ chicken /Ibaraki/1/2005(H5N2). [7] About 5.7 million birds were destroyed in Ibaraki following the H5N2 outbreaks.