In questultimo lautore inserisce una variante piu aggressiva del virus ebola denominato shiva creato artificialmente in laboratorio ed in grado di diffondersi per via aerea. Ebola ebola virus disease ebola ebola virus disease fact sheet. There are six known species of viruses within the genus ebolavirus. Characteristics of ebola ebola is a enveloped virus negative strand rna size from 800nm in length and 80nm in diameter. Fievre hemorra gique a virus ebola fiche technique. Ebola is a filovirus belonging to the virus fa mily called. It is a severe, often fatal disease 50%90% fatality in humans and nonhuman primates such as monkeys, gorillas, and chimpanzees. Ebola virus disease evd is one of numerous viral hemorrhagic fevers. Basics about the disease congressional research service 1 n march 2014, global health officials recognized an outbreak of ebola virus disease evd in guinea, west africa. In retrospect, officials determined that the outbreak began in december 20, and spread to the adjacent countries of liberia and sierra leone. Files are available under licenses specified on their description page. The viruses that cause evd are located mainly in subsaharan africa. Zaire ebolavirus, sudan ebolavirus, tai forest ebolavirus, reston ebolavirus, and bundibugyo ebolavirus.
Ebola is een virus waar mensen erg ziek van worden. In 2014, west african countries guinea, liberia, and sierra leone. Ebola virus created by cdc microbiologist cynthia goldsmit. Signs and symptoms typically start between two days and three weeks after contracting the virus with a fever, sore throat, muscular pain, and headaches. Ebola virus disease evd, or simply ebola, is a viral haemorrhagic fever of humans and other primates caused by ebolaviruses. Ctype lectins dcsign and lsign mediate cellular entry by ebola virus in cis and in trans carmen p. Marburgvirus infections ebola and marburg virus disease, ebola and marburg hemorrhagic fever, african hemorrhagic fever in africa. Ebola virus zaire ebolavirus, sudan virus sudan ebolavirus. All structured data from the file and property namespaces is available under the creative commons cc0 license. Persistence and genetic stability of ebola virus during the out. Ebola virus disease evd is a rare and deadly disease in people and nonhuman primates. The viruses that cause evd are located mainly in sub saharan. Food and drug administration fda has approved the ebola vaccine rvsvzebov tradename ervebo for the prevention of evd. What marine recruits go through in boot camp earning the title making marines on parris island duration.
Created by cdc microbiologist cynthia goldsmith, this colorized transmission electron micrograph tem revealed some of the ultrastructural morphology displayed by an ebola virus virion. The largest outbreak to date, due to the ebola virus, occurred in 2016 in west africa, predominantly affecting guinea, sierra leone, and. In march 2014, the largest ebola outbreak in history exploded across west africa. See phil 1832 for a black and white version of this image. Virale hemorragische koorts filovirussen lci richtlijnen. Ebola viruses are found in several african countries. Zaire ebolavirus, more commonly known as simply ebola virus i. Characteristics of ebola by daniel addison on prezi. Il virus ebola o virus di ebola ebov, in precedenza denominato zaire ebolavirus, e lunico ceppo della specie zaire ebolavirus, una delle cinque specie del genere ebolavirus, che a sua volta fa parte della famiglia filoviridae dellordine dei mononegavirales, virus a rna a singolo filamento negativo ssrna. The 20142016 outbreak in west africa was the largest and most complex ebola outbreak since the virus was first discovered in 1976. Ebola virus disease evd is an infectious disease that is spread through humans when blood or bodily fluids urine, saliva, sweat, feces, vomit, breast milk, and semen from a person infected with ebola come into direct contact through broken skin or mucous membranes such as eyes, nose, or mouth with another. As of november 14, 2014, the world health organization has reported a total of 21,296 ebola virus disease evd. Zaire ebolavirus is the type species reference or example species for ebolavirus, has the highest mortality rate of the ebolaviruses, and is responsible for the largest number of outbreaks of the six known species of the genus, including the 1976 zaire outbreak and the outbreak with the most deaths 2014. Pdf filoviruses are enveloped, nonsegmented negativestranded rna viruses.
Mar 02, 2015 this page was last edited on 8 november 2019, at 19. Infects dentritic cells which help to display signal of infection on their surface to activate tlymphocyte white blood cells bodys response against. The exact origin, locations, and natural habitat known as the natural reservoir of ebola virus remain. People can get evd through direct contact with an infected animal bat or nonhuman primate or a sick or dead person infected with ebola virus.
People at highest risk of contracting ebola include those who travel to countries with active ebola outbreaks and are. Ebola can cause disease in humans and nonhuman primates. The viruses representative of those species are commonly referred to as ebola virus ebov, sudan virus sudv, tai forest virus tafv, reston virus restv, and bundibugyo virus. Zaire ebolavirus, more commonly known as ebola virus is one of six known species within the genus ebolavirus. Healthcare workers family and friends of an ebola patient that were in direct contact with the person who was infected with the virus. Four of the six known ebolaviruses, including ebov, cause a severe and often fatal hemorrhagic fever in humans and other mammals, known as ebola virus disease evd. August 2016 importance ebolaviruses and marburgviruses are incompletely understood pathogens that. Ebola, previously known as ebola haemorrhagic fever, is a rare and often fatal disease caused by infection with one of the ebola virus strains.
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