Ebola pwpnt(2)

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Ebola pwpnt(2)

  1. 1. Ebola HemorrhagicEbola Hemorrhagic FeverFever Fatal 90% of the timeFatal 90% of the time
  2. 2. Ebola VirusEbola Virus  Ebola Hemorrhagic Fever is anEbola Hemorrhagic Fever is an almost always fatal diseasealmost always fatal disease  Caused by an infection withCaused by an infection with the Ebola virusthe Ebola virus  Transmitted zoonticly, orTransmitted zoonticly, or animal borne.animal borne.  The virus is spread throughThe virus is spread through acute infections and has noacute infections and has no carrier statecarrier state  Communicable through anCommunicable through an infected person by coming ininfected person by coming in contact with secretions,contact with secretions, needles used by the infected,needles used by the infected, and breathing the same air.and breathing the same air.
  3. 3. Who Does It Affect?Who Does It Affect?  Humans andHumans and nonhuman primatesnonhuman primates like monkeys, gorillas,like monkeys, gorillas, and chimpanzeesand chimpanzees
  4. 4. OriginOrigin  Most outbreaks wereMost outbreaks were seen in Africaseen in Africa  Ebola was actuallyEbola was actually named after a river innamed after a river in the Democraticthe Democratic Republic of theRepublic of the Congo in AfricaCongo in Africa  One of the twoOne of the two members of a familymembers of a family of RNA viruses calledof RNA viruses called the Foloviridae.the Foloviridae.
  5. 5. Five Sub-TypesFive Sub-Types  Ebola-ZaireEbola-Zaire  Ebola-SudanEbola-Sudan  Ebola-Ivory CoastEbola-Ivory Coast  Ebola-BundibugyoEbola-Bundibugyo all have caused disease in humansall have caused disease in humans  Ebola-RestonEbola-Reston found in nonhuman primates but not infound in nonhuman primates but not in humans.humans.
  6. 6. Signs & SymptomsSigns & Symptoms  The incubation period 2-22The incubation period 2-22 daysdays  Lesser ailments include fever,Lesser ailments include fever, joint and muscle aches, sorejoint and muscle aches, sore throat, weakness, diarrhea,throat, weakness, diarrhea, vomiting, rash, and hiccups.vomiting, rash, and hiccups.  More extreme symptomsMore extreme symptoms include severe stomach pain,include severe stomach pain, internal and external bleeding,internal and external bleeding, limited kidney and liverlimited kidney and liver function, chest pain, shock,function, chest pain, shock, blindness, and vomiting blood.blindness, and vomiting blood.
  7. 7. Why Is Ebola So Deadly?Why Is Ebola So Deadly?  The virus is usually detected after some of the moreThe virus is usually detected after some of the more severe signs and symptoms begin to appearsevere signs and symptoms begin to appear  90% of the time a fatal disease90% of the time a fatal disease  Ebola is often mistaken for malaria, typhoid fever,Ebola is often mistaken for malaria, typhoid fever, dysentery, influenza, or bacterial infectionsdysentery, influenza, or bacterial infections  Appears in sporadic outbreaks most times in a healthAppears in sporadic outbreaks most times in a health care setting – amplificationcare setting – amplification  Chronic-only 10% of the people who get it surviveChronic-only 10% of the people who get it survive  No information or records of a person who has caughtNo information or records of a person who has caught Ebola twice; probably b.c. most victims die from getting itEbola twice; probably b.c. most victims die from getting it onceonce
  8. 8. How It WorksHow It Works  The virus interferes with theThe virus interferes with the endothelial cells lining theendothelial cells lining the interior surface of blood vesselsinterior surface of blood vessels  As the virus attacks the cellsAs the virus attacks the cells that make up the blood vesselthat make up the blood vessel walls, the walls becomewalls, the walls become damaged and destroyeddamaged and destroyed  The platelets are unable toThe platelets are unable to coagulate (clot) resulting incoagulate (clot) resulting in  Profuse, and often fatal,Profuse, and often fatal, internal bleedinginternal bleeding
  9. 9. Cures or Vaccines?Cures or Vaccines?  Prevention: stay away from infected persons or animalsPrevention: stay away from infected persons or animals  Most people get sick from taking care of infected familyMost people get sick from taking care of infected family or friends and not using proper preventive measures i.e.or friends and not using proper preventive measures i.e. wearing gloves and/or a maskwearing gloves and/or a mask  There is no vaccine or known course of treatment forThere is no vaccine or known course of treatment for EbolaEbola  Patients can undergo supportive therapy and treatmentPatients can undergo supportive therapy and treatment for some symptomsfor some symptoms  Scientists are still researching vaccines, cures, and moreScientists are still researching vaccines, cures, and more effective treatmentseffective treatments  Most people die from the massive blood loss, notMost people die from the massive blood loss, not necessarily from the diseasenecessarily from the disease

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