Sunday, March 31, 2019

Ebola Virus: History, Symptoms and Treatment

Ebola virus History, Symptoms and TreatmentVijayatheeban JeyanandanEbola virus outbreaks The deadly and incurable haemorrhagic febrilityContents (Jump to)1.1 Introduction.1.2 History of Ebola virus.1.3 Characteristics of Ebola virus.1.4 Symptoms of Ebola transmittance.1.5 Diagnosis method actings.1.6 Treatment methods.1.7 ConclusionReference tilt1.1 IntroductionA reported by the World Health arranging (2014) Ebola virus disease once known as Ebola haemorrhagic fever is a serious, frequently deadly disease, with a case casualty crop of up to 90%. T here(predicate) atomic number 18 no authorized picky medicinal drugs or vaccine accessible for utilization in somebodys or creatures. Stanford educational activity (2014) states that Ebola virus was initially recognized as a possible brisk strain of Marburg virus in 1976. Stanford education states that Ebola transmission is initially all-embracing ranch in Sudan and Zaire. Ebola virus is a member of filoviridae family.Fa rrar and Piot (2014) reported that as of September 14, 2014, a total of 4507 confirmed and likely instances of Ebola virus disease, and similarly 2296 deaths from the infection, had been accounted for from five nations in West Africa Guinea, Liberia, Nigeria, Senegal, and Sierra Leon. Contact with body fluids demonstrate a solid affiliation. Francesconi et al. (2003) comments that Persons who had immediate physical contact with a give person were to a greater extent inclined to work gained the disease.1.2 History of Ebola virusPeters and Leduc (1999) comments that biomedical science initially experienced the virus family filoviridae when Marburg virus showed up in 1967 and in the late 1970s, the global concourse was again startled, this time by the revelation of Ebola infection as the causative executor of signifi terminatet flare-ups of hemorrhagic fever in the Democratic Republic of the Congo (DRC) and Sudan. History of Ebola infection shadower be make online (Stanfort edu cation, 2014) The first outbreaks of infected in excess of 284 peoples, with a 53% death rate. After the few months the second Ebola infection caused from Yambuku, Zaire, Ebola-Zaire (EBOZ). EBOZ, with the some astounding death rate of any of the Ebola infection (88%), contaminated 318 peoples.In 1989, a novel infection, Reston Ebolavirus (REBOV) was secluded from commonly tainted cynomolgus macaques imported from the Philippines into united States. All shipments aside from one were followed to single supplier in the Philippines however, the chief(prenominal) beginning of the infection and mode of sullying for the moodyice has never been learned. While unhealthful for regularly and tentatively tainted monkeys, constrained information demonstrate that REBOV whitethorn not be pathogenic for people as creature overseers without delivering clinical side effects.A review by Georges et al. (1999) reported that, in 1994, at Gabon, Occured in Mkouka and other gold-mining camps profound in the downpour backwoods. At first thought to be yellow fever recognized as Ebola hemorrhagic fever in 1995. Zuckerman(2008) reported that In 2000, Happened in Gulu, Masindi, and Mbarara areas of Uganda. The terce most crucial dangers connected with Ebola infection contamination were going to funerals of Ebola hemorrhagic fever patients, having contact with infected patients in ones family, and giving restorative fear to Ebola infected patients without utilizing sufficient individual defensive measures. In this situation, reported design of homosexual cases is 425 and reported number of deaths among cases is 224.1.3 Characteristics of Ebola virusA review by Sullivan et al. (2003) comments that Ebola was found in 1976 and is a member of the Filovirus family, which are pleomophic, negative-sense ribonucleic acid viruses whose genome shaping is most similar to the paramyxoviridae. Geisbert et al. (2010) states EBOV particles contain a non-infectious RNA genome of roughly 19 kil obases that encodes seven structural proteins and one non-structural protein. The gene order is 3 leader, nucleoprotein, virion protein 35 , virion protein 40, glycoprotein, virion protein 30, polymerase L protein, and 5 trailer.3 Four of these proteinsnucleoprotein, virion protein30, virion protein35, and the polymerase L proteinare associated with the viral genomic RNA in the ribonucleoprotein complex.Crowley and Crusberg (2014) states Ebola viruses are long and filamentious, essentially bac waniform. However the viruses mostly arouse on a U shape. The particles of these viruses sess be above 14,000 nm in long and average 80 nm in diameter. Visualscience.ru (2014) states Ebola has a layer envelope its shaped from the film of the host cell during virus budding. The viral molecule additionally catches various human proteins. Ebola surface protein, encoded by the gp gene.Transmission of the virusPHAC-ASPC.GC.CA (2014) states, that in an outbreak, it is theorized that the first pati ent bring forths to be infected as an aftereffect of contact with an infected animals. Person to person transmission happens by means of close personal contact with an infected individual or their body fluids during the late stages of disease or after death. Centers for sickness Control (2014) reported that Ebola is not spread through the air or by water, or in general, foods. However Ebola is spread through lease contact with blood or body fluids including but not expressage to urine, salivation, dung, regurgitation, and semen of an individual who is infected by Ebola. And also Ebola virus plunder be transmitted by objects like needles and syringes that have been contaminated with the virus.1.4 Symptoms of Ebola infectionSmith (2014) stats that, the symptoms of Ebola may be shown out from 2 old age to 21 days after the infection of Ebola virus, but the average is 8 to 10 days from the infection. The symptoms are quite a similar to the flu, cholera, typhoid, and malaria. The s ymptoms usually include high up fever, serious head pain, body weakness, retching, diarrhea, stomach torment, Lack of apptite, and sore throat. Symptoms of Ebola idler be found online (Health24, 2014). Progression of Ebola fever causes bleeding inside the body, and from the eyes, ears, wander and anus. Some individuals will vomit or hack up blood, have wicked looseness of the bowels, have impaired kidney and liver function, have continues hiccups and get a rash. diagnose methods of Ebola tummy be found online (Cdc.gov, 2014). In the primitively stage is currently precise difficult because the early symptoms are quite similar to the symptoms of malaria and typhoid fever. In his analysis Zubay (2005,pp) says that tests with live virus must be performed in Biosafety aim 4 regulation research centers, collectible to the compelling harmfulness and infectiousness of disease.1.5 Diagnosis methodsDiagnosing methods of Ebola can be found online (Centers for disease control and pre vention, 2014). In the earlier stage is really very difficult because the early symptoms are quite similar to the symptoms of malaria and typhoid fever. In his analysis Zubay (2005,p.71,72) says that tests with live virus must be performed in Biosafety Level 4 regulation research centers, due to the compelling harmfulness and infectiousness of disease. A review by Saijo et al, (2006) says after the closing off, the virus can be find via various science laboratory diagnostic methods like virus isolation, reverse transcription, real time quantitative method , antigen-capture enzyme-linked immune sorbent assay method (ELISA), antigen detection by immunostaining, or IgG-and immunoglobulin M-ELISA using authentic virus antigens (9, 18, 28-30, 32, 48, 50, 53, 64).Diagnosing methods can differ with the time line of infection which can be found online (Centers for disease control and prevention, 2014). Within a few days after the symptoms shown out we could use Antigen-capture enzyme-link ed immunosorbent assay (ELISA) testing or IgM ELISA or Polymerase chain reaction (PCR) or Virus isolation and for retrospectively in deceased patients we need to use Immunohistochemistry testing or PCR or virus isolation and later in the disease socio-economic class or after recovery we could use IgM and IgG antibodies. In his analysis Bray (2014) says that as indicated by the WHO, people who no more have signs and indications of Ebola infection sickness can be released on the off chance that they have two contrary PCR tests on entire blood, differentiate by no less than 48 hours.1.6 Treatment methodsSchoenstadt (2014) says that in that location are no proven treatment methods to kill the Ebola virus therefore, treatment concentrates on giving easing of side effects as the body battles the virus. This is called accessory care. Ziady and Small (2004) stats that patients receive supportive treatments like balancing fluid and electrolytes, maintaining thread and pulmonary oxygenat ion, maintaining blood circulation by replacing blood loss, and treating complications symptomatically. Gupta, (2014) comments that chronicled examples in medication improvement recommend that there is a slim likelihood of accomplishment with the current arrangement of potential Ebola treatments.Torrence (2005) stats that scientists have also examined the potential of heterological live viral vectors in effectively preventing Ebola virus infection. And we also can say good nursing care and using antibiotics to prevent utility(prenominal) infections from bacteria also supportive care for Ebola. Lamontagne et al. (2014) says General wellbeing mediations including describing the sequence the study of disease transmission, contact following, social assembly, and state funded instruction are fundamental steps in ceasing Ebola and will at last unpatterned a lot of people a larger number of lives than can be spared by individual patient forethought. (Geisbert, 2014) says that antibody therapies and several other methodologies mentioned here should ultimately be included in an arsenal of interventions for controlling next Ebola outbreaks.1.7 ConclusionEbola is infection and highly lethal and with no verifiably effective vaccine available. However the ebola hemorraghic fever can be control by spreading virus. First of all, the health ministry of government and who knows about the Ebola virus disease they should be Awareness to essential peoples. Because everyone must be attention about the Ebola infection. The ebola infection only can diagnosis under the advanced laboratory, but there are no lab facilities backwardness areas and also some essential countries. However who the person shows the ebola virus symptoms, we should be try to transfer to where can diagnose. In the future government should be provide advanced lab facilities for diagnose the infection when the infection highly spreading. The medical workers of ebola virus name or researching they should be w ear protective clothing transport a man suffering from Ebola.Reference listBray, M. (2014). Uptodate. uncommitted at http//www.uptodate.com/ contents/diagnosis-and-treatment-of-ebola-and-marburg-virus-disease (Accessed 30 October 2014).Centers for disease control and prevention (2014) lendable at http//www.cdc.gov/ viral haemorrhagic fever/ebola/diagnosis/ (Accessed 29 October 2014).Centers for disease and prevention (2014). Transmission of Ebola Hemorrhagic feverishness online in stock(predicate) at http//www.cdc.gov/vhf/ebola/transmission/ (Accessed 27 September 2014).Crowley, J. and Crusberg, T. (2014). Genomic Structure, proportional and Molecular Biology. unattached at http//www.mcb.uct.ac.za/ebola/ebolagen.html (Accessed 28 September 2014).Farrar, J. and Piot, P. (2014). Ebola Virus unsoundness in West Africa -The First 9 Months of the Epidemic and Forward Projections, naked as a jaybird England Journal Medicine, 371(16), pp.1481-1495 Online. Available at http//www.nej m.org/doi/full/10.1056/NEJMoa1411100 (Accessed 6 November 2014)Francesconi, P., Yoti, Z., Declich, S., Onek, P., Fabiani, M., Olango, J., Andraghetti, R., Rollin, P., Opira, C., Greco, D. and Salmaso, S. (2003). Ebola Hemorrhagic Fever Transmission and Risk Factors of Contacts, Uganda. Emerging Infectous Disease, 9(11), pp.1430-1437, National Center for biotech teaching Online. Available at http//www.ncbi.nlm.nih.gov/pmc/articles/PMC3035551/ (Accessed 6 November 2014)Geisbert, T., Lee, A., Robbins, M., Geisbert, J., Honko, A., Sood, V., Johnson, J., de Jong, S., Tavakoli, I., Judge, A., Hensley, L. and MacLachlan, I. (2010). Postexposure protection of non-human primates against a lethal Ebola virus challenge with RNA interference a proof-of-concept study. 375(9729), pp.1896-1905, The Lancet. (online). Available at http//dx.doi.org/10.1016/s0140-6736(10)60357-1 (Accessed 28 September 2014)Geisbert, T. (2014). Medical research Ebola therapy protects severely ill monkeys, Nature, 514 (7520), pp.41-43, Nature Publishing Group Online. Available at http//www.nature.com/nature/ ledger/vnfv/ncurrent/full/nature13746.html (Accessed6 November 2014).Georges, A., Leroy, E., Renaut, A., Benissan, C., Nabias, R., Ngoc, M., Obiang, P., Lepage, J., Bertherat, E., Benoni, D. (1999). Ebola hemorrhagic outbreaks in Gabon. Journal of Infectious Diseases. 179(Supplement 1), pp.6575. Online. Available at http//www.ncbi.nlm.nih.gov/pubmed/9988167 (Accessed 6 Oct. 2014).Gupta, R. (2014). Rethinking the development of Ebola treatments, The Lancet Global Health, 2(10), pp.e563-e564 Online. Available at http//www.thelancet.com/journals/langlo/article/PIIS2214-109X(14)70304-3/fulltext (Accessed 6 November 2014).Health24 (2014). Available at http//www.health24.com/Medical/infectious-diseases/Ebola/Signs-and-symptoms-of-Ebola-20140729 (Accessed 29 October 2014).Lamontagne, F., Clment, C., Fletcher, T., Jacob, S., Fischer, W. and Fowler, R. (2014). Doing Todays Work Superbly Well Treating Ebola with Current Tools. New England Journal of Medicine, 371(17), pp.1565-1566 Online. Available at http//www.nejm.org/doi/full/10.1056/NEJMp1411310 (Accessed 6 November 2014)Mahy, B. and Van Regenmortel, M. (2010). Desk encyclopedia of human and medical virology. Google books Online. Available at http//books.google.lk/books?id=nsh48WKIbhQCpg=PA382dq=ebola+virus+history+originhl=ensa=Xei=rCUyVP7wDcSjugTzs4GQDQved=0CDMQ6AEwBAv=onepageq=ebola%20virus%20history%20originf= spurious (Accessed 4 Oct. 2014).Peters, C. and LeDuc, J. (1999). An Introduction to Ebola The Virus and the Disease. The Journal of Infectious Diseases, 179(s1), p.Six-xvi. Online. Available at http//dx.doi.org/10.1086/514322 (Accessed 4 Oct. 2014).Public Health Agency of Canada (2014). Available at http//www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/ebola-eng.php (Accessed 27 September 2014).Saijo, M., Niikura, M., Ikegami, T., Kurane, I., Kurata, T. and Morikawa, S. (2006). Laboratory Diagnostic Systems for Ebola and Marburg Hemorrhagic Fevers genuine with Recombinant Proteins. Clinical and Vaccine Immunology, 21, November Online. Available at http//dx.doi.org/10.1128/cvi.13.4.444-451.2006 (Accessed 30 October 2014).Schoenstadt, A. (2014). eMedTV Health Information Brought To Life. Available at http//ebola.emedtv.com/ebola/ebola-treatment.html (Accessed 6 November 2014)Smith,W. (2014).Webmd. Available at http//www.webmd.com/a-to-z-guides/ebola-fever-virus-infection (Accessed 29 Oct. 2014).Sullivan, N., Yang, Z. and Nabel, G. (2003). Ebola Virus Pathogenesis discounts for Vaccines and Therapies. 77(18), pp.9733-9737, Journal of Virology. online. Available at http//dx.doi.org/10.1128/jvi.77.18.9733-9737.2003 (Accessed 28 September 2014).Torrence, P. (2005). antiviral drug drug discovery for emerging diseases and bioterrorism threats. Google books Online. Available at http//books.google.lk/books?id=QZl7GzhTsb8Cdq=Torrence,+P+Antiviral+drug+discovery+for+emerging+diseases+and+bioterrorism+threat s.source=gbs_navlinks_s (Accessed 6 November 2014).Visualscience.ru (2014). Available at http//visualscience.ru/en/projects/ebola/poster/ (Accessed 28 September 2014).Web.stanford.edu (2005) Available at https//web.stanford.edu/group/virus/filo/history.html (Accessed 6 November 2014).World Health organization (2014). Ebola Virus Diseases (EVD) Implication of Introduction in the Americas. Jamaica Jamaica information service online. Available at http//jis.gov.jm/features/ebola-virus-diseases-evd-implication-introduction-americas/ (Accessed 6 November 2014).Ziady, L. and Small, N. (2004). Prevent and control infection. Google books Online. Available at http//books.google.lk/books?id=kSKwP3v99dYCpg=PA256lpg=PA256dq=Ziady,+L.+and+Small,+N.+(2004).+Prevent+and+control+infectionsource=blots=DEOU4V_3gRsig=phk4sKUjV30cWcw7qv3Xo08Id1khl=ensa=Xei=yq5bVPGeGsr98AXShIKACAved=0CB0Q6AEwAQv=onepageq=Ziady%2C%20L.%20and%20Small%2C%20N.%20(2004).%20Prevent%20and%20control%20infectionf= wild (Accessed 6 November 2014)Zubay, G. (2005). Agents of bioterrorism. Google books Online. Available at http//books.google.lk/books?id=AwkVgNPRnKoCdq=diagnosis+methods+ebola+Zubaysource=gbs_navlinks_s (Accessed 29 October 2014).Zuckerman, A. (2008). Principles and hold of clinical virology. Google books Online. Available at http//books.google.lk/books?id=4il2mF7JG1sCpg=PA774lpg=PA774dq=Okware+SI,+Omaswa+FG,+Zaramba+S,+et+al.+An+outbreak+of+Ebola+in+Uganda.source=blots=NBElqYFkMRsig=o7MGwDL_xghUdwFQohFWtqj_TOohl=ensa=Xei=ZUEyVJC_G8aOuATxwoGoAQved=0CCMQ6AEwAQv=onepageq=An%20outbreak%20of%20Ebola%20in%20Ugandaf=false (Accessed 4 October 2014).

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.