What are the physiological effects of Ebola virus?Ebola virus disease is a rare but deadly disease that is transmitted through direct contact with blood or body fluids of infected people, bats or primates.
What are the physiological effects of Ebola virus
Introduction
Ebola virus disease is a rare but deadly disease that is transmitted through direct contact with blood or body fluids of infected people, bats or primates. Upon exposure to the virus, symptoms will appear within 2 to about 21 days. Some of the symptoms are headache, diarrhea, hemorrhage, vomiting and severe fever. Ebola virus disease has an average fatality rate of 50 percent with some cases presenting with fatality rates of 90 percent (WHO, 2016). Most of the outbreaks have been reported in West Africa and both rural and urban areas being affected. In most cases, the recovery process would depend on the supportive clinical care and the immunity of the patient. Nonetheless, it is worth noting that the virus causes widespread destruction of the immune cells. Ebola virus infections have a myriad of physiologic events that eventually lead to systemic damage and eventually death. In this regard, it is prudent to highlight the events in order to shade light on the pathophysiologic changes that would be expected after infection with the Ebola virus. First, upon entry into the body, Ebola virus will target several immune cells in the body. The invasive nature will be the main process towards breaching the first line of defense. Secondly, the virus will then target specific organs that then become evident via a wide spread inflammation. Thirdly, the virus causes systemic hemorrhage (Sullivan, Yang, & Nabel, 2003).
The first physiologic effect upon entry of Ebola virus into the body is to break down the first line of defense. In this case, the virus will get into various cells of the immune system. The primary target are the dendritic cells thus making them defective. Defective dendritic cells will reduce the efficiency of T-lymphocytes to respond to further infections. With the defective T cells and the absence of antibodies will then make the virus to rapidly replicate and invade more cells (Sullivan et al., 2003). Furthermore, the virus will also proliferate and reproduce rapidly by inhibiting interferons. Ebola virus have been shown to use VP24 protein on their surface to bind to the immune cells and inhibit the role of interferon.
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