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Micro Exam 6 > Viruz zoo > Flashcards

Viruz zoo Flashcards

1
Q

Dengue virus

A

Enveloped
Icosahedral capsid
+ssRNA
4 serotypes no cross protection

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2
Q

Yellow Fever Virus

A

Enveloped
Icosahedral capsid
+ssRNA

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3
Q

Hantavirus SNV

A

Enveloped
Spherical capsid
-ssRNA

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4
Q

Reovirus

A

Non- enveloped
icosahedral capsid
dsRNA
(Colorado tick fever)

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5
Q

Marburg/Ebola virus

A

Enveloped helical capsid
Pleomorphic filamentous
+ssRNA

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6
Q

Lassa etc virus

A

Enveloped
Helical capsid
2 circular ssRNA

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7
Q

Lassa transmission

A

Ingestion
Direct contact
Inhalation

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8
Q

Marburg/ebola mechanism

A

Replicates
Destroys parenchymal cells
(Liver, lungs, spleen & LN)

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9
Q

Lassa symptoms

A

Fever
Petechial rash
Gum bleeding

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10
Q

Marburg/ebola symptoms

A

Flu like

MASSIVE Hemorrhages

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11
Q

Marburg/ebola diagnose treat

A

Serological & MT

Quarantine

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12
Q

Reovirus transmission

A

Vert host to person

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13
Q

Reovirus mech

A

Replicates w/in erthyroid precursor RBC

Most common tick borne in US

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14
Q

Reovirus symptoms

A

Hemorrhagic disease

CNS involvement

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15
Q

Hanta virus transmission

A

Inhalation of rodent infected feces

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16
Q

Hanta symptoms

A

Febrile to acute resp edema
Hemorrhagic w/ renal syndrome
DIC

17
Q

Yellow fever transmission

A

Mosquito

Human monkeys

18
Q

yellow fever symptoms

A

Acute: fever, myalgia headache shivers
Toxic: w/in 24hrs fever reappears
several body systems affected
Jaundice, bleeding from mouth, nose, eyes and/or stomach

19
Q

Yellow fever diagnose and treat

A

Detect AB
Supportive and
Vaccine

20
Q

Dengue Transmission

A

Mosquito

P to P

21
Q

Dengue symptoms

A

Maculopapular rash
Weakness malaise
Anorrhexia

22
Q

Hemorrhagic dengue symptoms

A

Petechiae, purpural or ecchymoses
Thrombocytopenia
DSS shock and death

Micro Exam 6 (6 decks)

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