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Piot, Peter (1949-Actualidad)

Born in Leuven (Belgium) in 1949. Doctor of Medicine from the University Ghent (Belgium) in 1974. Ph.D. in Microbiology through the University of Antwerp (Belgium-1980). He was Professor of Microbiology and Public Health at the Institute of Tropical Medicine Prince Leopold (Antwerp) and the Universities of Nairobi, Brussels and Lausanne (Switzerland). In the 90's, Dr Piot begins to take part in the World Health Organization with the Program on HIV / AIDS, where he developed several projects, now is as Secretary General of the United Nations and Executive Director UNAIDS, winning numerous awards.
With Karl Johnson, co-discoverer of the Ebola virus . This name comes from the Ebola River (in the Democratic Republic of Congo, formerly Zaire) where it was first identified in an epidemic in 1976.
This is the virus that causes Ebola haemorrhagic fever, an infectious disease highly contagious and very severe and affects all kinds of primates (including humans) and other mammals.
different strains have been identified (Ebola-Zaire, Ebola-Sudan, and Ebola Tai Forest) that have caused epidemics with a mortality rate between 50% and 90% in the Republic of Congo, Ivory Coast, Gabon and Uganda.
The virus is transmitted by direct contact with infected body fluids such as blood, saliva, sweat, urine or vomit. The incubation period ranges from 2 to 21 days, but more often is 5 to 12 days. The reservoir of Ebola virus appears to be a type of fruit bat.
Symptoms: In the beginning is characterized by sudden high fever, prostration, myalgia, arthralgia, abdominal pain and headache. In the period of one week, a rash, often hemorrhagic, appears throughout the body. Hemorrhaging generally occurs from the gastrointestinal tract, causing the infected blood from both the mouth and rectum. The mortality rate is high, reaching 90% and patients usually die from blood loss.
work Author: Tortajada Cabral, Rafael.

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Leishman, William Boog (1865-1926)

born December 6, 1865 in the city of Glasgow (Scotland). Studied at Westminster School and the University of Glasgow.
In 1887 he joined the Navy Medical Service as a surgeon. In India he studied a disease called Kala azar and enteric fever.
On his return to the UK in 1897, was at the Victoria Hospital in Nettley. Was an assistant professor of pathology at the Naval Medical School where he contributed to the improved Romanowsky techniques (methylene blue and eosin) for staining of parasites, including Plasmodium malaria producer.
In 1901, while examining preparations of the spleen of a patient (affected by Kala azar), observed some intracellular oval bodies and published his findings in 1903. Simultaneously, Charles Donovan, of the Medical Service of India, also found these bodies in another patient suffering from kala azar. In this way they discovered the protozoan cause of Kala azar or visceral leishmaniasis, which Leishmania donovan denominarnon i, in honor of its discoverers.
Leishmania is a genus of protozoa, parasite whose life cycle includes the sandfly and midge or a suitable host such as man, among others. Leishmaniasis is a set of clinical manifestations produced by several species of the genus Leishmania. It is considered that at least 20 Leishmania species cause different clinical forms of disease that may occur. The World Health Organization considers leishmaniasis that are distributed worldwide, being endemic in tropical and subtropical regions. Leishman
also came to clarify the life cycle of the spirochete duttoni, which is the cause of African relapsing fever, caused by the tick Ornithodoros.
died on June 6 1926. Author
work: Bañón Gutierrez, Sonia.