Ebola virus antibody prevalence in dogs and human risk. This study suggests that dogs can be infected by ebola virus and that the putative infection is asymptomatic. Ppt historia natural del dengue jessica romero academia. Ebola virus ebov belongs to the filoviridae family and is responsible for a severe disease characterized by the sudden onset of fever and malaise accompanied by other nonspecific signs and symptoms.
Zaire ebolavirus, more commonly known as ebola virus i. 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. It is caused by an infection with one of five known ebola virus species, four of which can cause disease in people. The zaire ebola virus species ebola virusz, 1 of the 4 known species of ebola virus, occurs in central africa. Oms brote epidemico del virus del ebola en africa occidental. Electron micrographs show long filaments, characteristic of the filoviridae viral family.
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. It is named after the ebola river, where the first recognized outbreak occurred. Ebola is the term for the viral genus ebolavirus ebov, or for the disease ebola hemorrhagic fever ehf. Fruits bats are its natural reservoir, the transmission to humans is across wild animals especially primates and the propagation in human populations is through bodily fluid contact. Ebola virus causes fulminant hemorrhagic fever in both humans and nonhuman primates 1,2. Virus ecology graphic communication resources ebola. Fue descrito por primera vez en 1976 por david finkes. Ebov, is one of six known species within the genus ebolavirus. In humans, ebolaviruses are responsible for ebola virus disease evd, an illness characterized primarily by fever, rash, vomiting, diarrhea, and hemorrhaging. Ebolavirus, genus of viruses in the family filoviridae, certain members of which are particularly fatal in humans and nonhuman primates. Ebola virus disease evd is a rare and deadly zoonotic disease most commonly affecting people and nonhuman primates monkeys, gorillas, and chimpanzees.
Multiorgan dysfunction occurs in severe forms with a mortality up to 90%. A causa di questa epidemia, diffusasi anche in sierra leone e liberia, sono morte oltre 330 persone su 500 casi registrati. In the immediate vaccination group, there were no cases of ebola virus disease with symptom onset at least 10 days after randomisation, whereas in the delayed vaccination group there were 16 cases of ebola virus disease from seven clusters, showing a vaccine efficacy of 100% 95% ci 747. Periodo patogenico prevencion secundaria diagnostico precoz taratamiento por clinica. The ebov first attacks macrophages and dendritic immune.
1033 1173 346 117 491 1191 237 843 712 276 324 25 408 2 685 1413 1323 124 1153 991 274 1138 93 618 457 564 336 775