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Microbiology Test 4 > Hemorrhagic fever and Encephalitis viruses > Flashcards

Hemorrhagic fever and Encephalitis viruses Flashcards

1
Q

Describe Hantavirus in terms of diseases caused, transmission, and geographic distribution

A

Diseases:

  • Hemorrhagic fever w/ renal syndrome
  • Hantavirus pulmonary syndrome

Transmission: inhaled rodent excrement

Distribution

  • Hemorrhagic fever w/ renal syndrome= China, Korea, Russia
  • Pulmonary syndrome= N America
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2
Q

Describe Congo-Crimean Hemorrhagic Fever Virus in terms of disease, transmission, and geographic distribution

A

Disease: Congo-Crimean Hemorrhagic Fever

Transmission: Ticks

Geographic distribution: Africa. Middle East, West China

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3
Q

Describe Rift Valley Fever Valley Virus in terms of disease, transmission, and geographic distribution

A

Disease: Rift Valley Fever (hemorrhagic fever)

Transmission: mosquitos/arthropods

Geographic distribution: Africa

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4
Q

Describe Ebola virus in terms of disease, symptoms, transmission, and geographic distribution

A

Disease: Ebola hemorrhagic fever

Symptoms: sudden fever, intense weakness, muscle pain, headache, vomiting, diarrhea, hemorrhage internal and externally d/t capillary leakage

Transmission: contact w/ blood and body fluids bush meat/fruit bats

Geographic distribution: West and Central Africa

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5
Q

Describe Marburg virus in terms of disease, transmission, and geographic distribution

A

Disease: Marburg hemorrhagic fever

Transmission: ?

Geographic distribution: sub-Saharan Africa

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6
Q

Describe in terms of Dengue fever diseases caused, the frequency of disease, transmission, and geographic distribution

A 
Disease: 
- Breakbone fever= fever and severe joint pain, conjunctivitis, headache-high frequency
-Hemorrhagic fever- low frequency
-
Transmission: mosquito

Geographic distribution: Tropical and sub tropical regions throughout the world

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7
Q

Describe in terms of Yellow fever disease, transmission, and geographic distribution

A

Disease: Yellow fever (hemorrhagic fever)

Transmission: mosquitos

Geographic distribution: Tropical Africa and South America

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8
Q

Describe in terms of Chikungunya disease, symptoms, transmission, and geographic distribution

A

Disease: Chikungunya (hemorrhagic fever)

Symptoms: Dengue like with low mortality

Transmission: mosquitos

Geographic distribution: Tropical areas throughout the worlds

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9
Q

Describe Lassa Fever Virus in terms of disease, transmission, and geographic distribution

A

Disease: Lassa fever (hemorrhagic fever)

Transmission: Rodent urine

Geographic distribution: West Africa

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10
Q

Describe Japanese Encephalitis Virus in terms of disease, transmission, and geographic distribution

A

Disease: Japanese Encephalitis

Transmission: Mosquitos

Geographic distribution: Japan, East and SE Asia (China, Korea, India)

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11
Q

Describe Murray Valley Virus in terms of virus disease, transmission, and geographic distribution

A

Disease: Murray Valley Encephalitis

Transmission: Mosquitos

Geographic distribution: Australia

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12
Q

Describe St. Louis & La Crosse Viruses in terms of disease, transmission, and geographic distribution

A

Disease: Encephalitis

Transmission: Mosquitos

Geographic distribution: The America’s

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13
Q

Describe Eastern/Western/ Venezuelan Viruses in terms of disease, transmission, and geographic distribution

A

Disease: Encephalitis

Transmission: Mosquitos

Geographic distribution: SE USA, C America, Northern S America

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14
Q

Describe Zika Virus in terms of disease, transmission, and geographic distribution

A

Disease: Zika encephalitis

Symptoms: fever, rash, mild joint pain, conjuctivitis, possible Guillan-Barre, microcephaly in fetus

Transmission: mosquitos and semen

Geographic distribution: Africa Asia, S Pacific, Brazil, and the Americas

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15
Q

Describe Tick Borne Encephalitis Virus in terms of disease, transmission, and geographic distribution

A

Disease: Encephalitis

Transmission: tick

Geographic distribution: Eastern and Central Europe

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16
Q

Describe West Nile Virus in terms of disease, transmission, geographic distribution and peak season

A

Disease: West Nile Fever (Encephalitis)

Transmission: mosquitos

Geographic distribution: Africa, India, Middle East, Europe, USA

Peak: late summer to early fall

17
Q

True or False all hemorrhagic and encephalitis viruses are all RNA viruses

A

True

18
Q

How are encephalitis from viruses treated

A

Limited treatments or non-existent

19
Q

How do you dx hemorrhagic and encephalitis viruses

A

clinical signs and symptoms, geography, antibody detection or PCR

Microbiology Test 4 (6 decks)

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