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Zaïre Ebolavirus

Also known simply as the Zaire virus, ZEBOV has the highest case-fatality rate of the ebolaviruses, up to 90% in some epidemics, with an average case fatality rate of approximately 83% over 27 years. There have been more outbreaks of Zaire ebolavirus than of any other species. The first outbreak occurred on 26 August 1976 in Yambuku.[57] The first recorded case was Mabalo Lokela, a 44‑year-old schoolteacher. The symptoms resembled malaria, and subsequent patients received quinine. Transmission has been attributed to reuse of unsterilized needles and close personal contact.

Sudan Ebolavirus

Like the Zaire virus, SEBOV emerged in 1976; it was at first assumed to be identical with the Zaire species.[58] SEBOV is believed to have broken out first among cotton factory workers in Nzara, Sudan (now South Sudan), with the first case reported as a worker exposed to a potential natural reservoir. The virus was not found in any of the local animals and insects that were tested in response. The carrier is still unknown. The lack of barrier nursing (or "bedside isolation") facilitated the spread of the disease. The most recent outbreak occurred in May, 2004. Twenty confirmed cases were reported in Yambio County, Sudan (now South Sudan), with five deaths resulting. The average fatality rates for SEBOV were 54% in 1976, 68% in 1979, and 53% in 2000 and 2001.

Reston Ebolavirus

Discovered during an outbreak of simian hemorrhagic fever virus (SHFV) in crab-eating macaques from Hazleton Laboratories (now Covance) in 1989. Since the initial outbreak in Reston, Virginia, it has since been found in non-human primates in Pennsylvania, Texas and Siena, Italy. In each case, the affected animals had been imported from a facility in the Philippines,[59]where the virus has also infected pigs.[60] Despite having a Biosafety status of Level‑4 and its apparent pathogenicity in monkeys, REBOV did not cause disease in exposed human laboratory workers.[61]

Tai (Ivory Coast) Ebolavirus

Also referred to as Taï Forest ebolavirus and by the English place name, "Ivory Coast", it was first discovered among chimpanzees from the Taï Forest in Côte d'Ivoire, Africa, in 1994.Necropsies showed blood within the heart to be brown; no obvious marks were seen on the organs; and one necropsy showed lungs filled with blood. Studies of tissues taken from the chimpanzees showed results similar to human cases during the 1976 Ebola outbreaks in Zaire and Sudan. As more dead chimpanzees were discovered, many tested positive for Ebola using molecular techniques. The source of the virus was believed to be the meat of infected Western Red Colobus monkeys, upon which the chimpanzees preyed. One of the scientists performing the necropsies on the infected chimpanzees contracted Ebola. She developed symptoms similar to those of dengue fever approximately a week after the necropsy, and was transported to Switzerland for treatment. She was discharged from the hospital after two weeks and had fully recovered six weeks after the infection.[62]

=====Bundibugyo Ebolavirus=====On 24 November 2007, the Uganda Ministry of Health confirmed an outbreak of Ebolavirus in the Bundibugyo District. After confirmation of samples tested by the United States National Reference Laboratories and the CDC, the World Health Organization confirmed the presence of the new species. On 20 February 2008, the Uganda Ministry officially announced the end of the epidemic in Bundibugyo, with the last infected person discharged on 8 January 2008.[63] An epidemiological study conducted by WHO and Uganda Ministry of Health scientists determined there were 116 confirmed and probable cases of the new Ebola species, and that the outbreak had a mortality rate of 34% (39 deaths). In 2012, there was an outbreak of Bundibugyo ebolavirus in a northeastern province of the Democratic Republic of the Congo. There were 15 confirmed cases and 10 fatalities.[64]

Symptoms

Half of people with vitiligo develop patches of de-pigmented skin appearing on extremities before their 20s. The patches may grow, shrink, or remain constant in size. Patches often occur symmetrically across both sides on the body. Occasionally small areas may repigment as they are recolonised by melanocytes. The location of vitiligo affected skin changes over time, with some patches re-pigmenting and others becoming affected.

In some cases, mild trauma to an area of skin seems to cause new patches - for example around the ankles (caused by friction with shoes or sneakers). Vitiligo may also be caused by stress that affects the immune system, leading the body to react and start eliminating skin pigment.

Vitiligo on the scalp may affect the color of the hair (though not always), leaving white patches or streaks. It will similarly affect facial and body hair.

The following list of symptoms mentioned from various sources includes the 23 mentioned below:

• Hand white patches
• Feet white patches
• Arm white patches
• Face white patches
• Lip white patches
• Armpit white patches
• Chest white patches
• Back white patches
• Shoulders white patches
• Groin white patches
• White patches around the mouth
• White patches around the eyes
• Nostril white patches
• Navel white patches
• Genital white patches
• Mucous membrane white patches
• Rectal white patches
• Uveitis
• Retina white patches
• Premature graying
• Gray scalp hair
• Gray eyelashes
• Gray eyebrows
• Gray beard
• Sun sensitivity

Random notes

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