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Visceral leishmaniasis (VL), also known as kala-azar (Hindi: kālā āzār, "black sickness") [2] or "black fever", is the most severe form of leishmaniasis and, without proper diagnosis and treatment, is associated with high fatality. [3] Leishmaniasis is a disease caused by protozoan parasites of the genus Leishmania.
Leishmaniasis is a wide array of clinical manifestations caused by protozoal parasites of the Trypanosomatida genus Leishmania. [7] It is generally spread through the bite of phlebotomine sandflies, Phlebotomus and Lutzomyia, and occurs most frequently in the tropics and sub-tropics of Africa, Asia, the Americas, and southern Europe.
Intense feeding can cause "black fly fever", with headache, nausea, fever, swollen lymph nodes, and aching joints; these symptoms are probably a reaction to a compound from the flies' salivary glands. Less common severe allergic reactions may require hospitalization.
For instance, if someone is constantly exposed to black flies, for instance, they might experience headaches, fever, swollen lymph nodes and other symptoms of so-called "black fly fever," Frye says.
Kala-azar (Hindustani: काला आज़ार کالا آزار kālā āzār), is derived from kala which means black in Sanskrit, as well as in the languages descended from it, including Hindi and Urdu; [5] the word azar is a Persian loanword in Hindustani that means "fever"; [6] [7] as such the disease is named for the darkening of the skin on the extremities and abdomen that occurs ...
The host's reaction to fly attacks may include systemic illness, allergic reactions or even death, presumably mediated by histamine. In humans, this systemic reaction is known as "black fly fever" and is characterized by headaches, fever, nausea, adenitis, generalized dermatitis, and allergic asthma.
A U.S. appeals court said three Muslim men cannot sue FBI agents after being placed on the "No Fly List" for refusing to become government informants. The 2nd U.S. Circuit Court of Appeals in ...
The life of the parasite can be traced through the black fly and the human hosts in the following steps: [13] [14] A Simulium female black fly takes a blood meal on an infected human host and ingests microfilaria. The microfilaria enter the black fly's gut and thoracic flight muscles, progressing into the first larval stage (J1.).