Re-emerging Infectious Diseases
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Questions and Answers

What is the causative agent of the Spanish Flu that occurred from 1918-1920?

  • Orthomyxoviruses (Influenza Virus) (correct)
  • Mycobacterium tuberculosis
  • Zaire Ebola Virus
  • Ebola Virus
  • What is the causative agent of Middle Eastern Respiratory Syndrome or MERS?

  • Coronavirus (correct)
  • Flavivirus
  • Aedes aegypti
  • Plasmodium spp.
  • How is the Spanish Flu primarily transmitted?

  • By close contact
  • Through eating bush meat of infected animals
  • Airborne transmission (correct)
  • Through mosquito bites
  • Where did the first outbreak of Ebola occur?

    <p>Democratic Republic of Congo</p> Signup and view all the answers

    Which virus is known as 'Camel Flu'?

    <p>MERS-CoV</p> Signup and view all the answers

    Which preventive measure is specifically recommended for Influenza?

    <p>Getting vaccinated</p> Signup and view all the answers

    What are the drugs typically used in the treatment of Tuberculosis as mentioned in the text?

    <p>Rifampin, Isoniazid, Pyrazinamide, Ethambutol</p> Signup and view all the answers

    What is the primary mode of transmission of MERS-CoV to humans?

    <p>Consuming infected meat or drinking camel urine</p> Signup and view all the answers

    What is XDR-TB (Extensively drug-resistant TB) resistant to?

    <p>Isoniazid, Rifampin, and bedaquiline</p> Signup and view all the answers

    Which period marks the resolution of symptoms and the ability to return to normal functions for a person infected with influenza?

    <p>Period of Convalescence</p> Signup and view all the answers

    Which mosquito species is associated with the transmission of MERS in urban areas?

    <p>Aedes aegypti</p> Signup and view all the answers

    Which type of Influenza virus caused the Spanish Flu pandemic?

    <p>H1N1</p> Signup and view all the answers

    During which stage of influenza is the immune system successful in defending against the pathogens?

    <p>2nd Semester: Midterms</p> Signup and view all the answers

    When was the peak period for Ebola outbreaks?

    <p>1977-2014</p> Signup and view all the answers

    What is the framework for understanding the causes and transmission of infectious diseases called?

    <p>Epidemiologic Triangle</p> Signup and view all the answers

    What is the capability of an agent to cause disease in a susceptible host called?

    <p>Pathogenicity</p> Signup and view all the answers

    What can happen if a person with influenza develops secondary infections during the 2nd Semester: Midterms stage?

    <p>Permanent damage</p> Signup and view all the answers

    Which period in influenza is characterized by symptoms occurring and subsiding within 3 months, with recovery usually complete?

    <p>Period of Illness</p> Signup and view all the answers

    Study Notes

    Re-emerging Infectious Diseases

    • Re-emerging infectious diseases are those that were once major health problems globally or in a particular country, declined, but are again becoming health problems for a significant proportion of the population.

    Middle Eastern Respiratory Syndrome (MERS)

    • Causative agent: Middle Eastern Respiratory Syndrome Coronavirus (MERS-CoV)
    • Transmission: Camels (infected meat, drinking urine), Bats (feces), Humans (droplet)
    • Prevention: Travel restrictions to Middle Eastern and North African countries, Vaccines, Insect repellent, Protective clothing
    • Origin: Saudi Arabia, 2012

    Ebola Hemorrhagic Fever (Ebola)

    • Causative agent: Ebola Virus (Zaire Ebola Virus)
    • Transmission: Humans (close contact), Eating bush meat of suspected infected animals
    • Prevention: Reduce wildlife exposure
    • Origin: African countries, 1st outbreak: Democratic Republic of Congo (formerly Zaire), 2nd outbreak: South Sudan, Peak: 1977-2014

    Malaria

    • Causative agent: Plasmodium spp
    • Transmission: Mosquito bites (Anopheles minimus flavirostris)
    • Prevention: Medicine, Insect repellent, Protective clothing

    Tuberculosis

    • Causative agent: Mycobacterium tuberculosis
    • Transmission: Airborne, Close contact
    • Prevention: Bacillus Calmette-Guérin (BCG) vaccine
    • Treatment:
      • Intensive Phase: 1st two months of treatment
      • Maintenance Phase: 3rd to 6th month of treatment
      • Medicines: Rifampin (R), Isoniazid (I), Pyrazinamide (P), Ethambutol (E)
    • Variants:
      • MDR-TB: Multidrug-resistant Tuberculosis, Resistant to: Isoniazid, Rifampin
      • XDR-TB: Extensively drug-resistant TB, Resistant to: Isoniazid, Rifampin, and a second-line injectable (amikacin, capreomycin, and kanamycin) or Isoniazid, Rifampin, and bedaquiline or linezolid

    Influenza/ Flu

    • Causative agent: Orthomyxoviruses (Influenza Virus)
    • Transmission: Close contact
    • Prevention: Vaccines, PPEs
    • Notable outbreak: Spanish Flu, 1918-1920

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    Description

    Test your knowledge on re-emerging infectious diseases that were once major health problems but are now becoming significant health concerns again. This quiz covers topics like Middle Eastern Respiratory Syndrome (MERS), Dengue, and the causative agents behind these diseases.

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