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Micro 2 > L25 Hepatitis viruses > Flashcards

L25 Hepatitis viruses Flashcards

1
Q

Hep A
Family
Genome
Virion

A

Picornaviridae
(+)ssRNA
Nonenveloped

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2
Q

Hep B
Family
Genome
Virion

A

Hepadnaviridae
Circular dsDNA
Enveloped

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3
Q

Hep C
Family
Genome
Virion

A

Flaviviridae
(+)ssRNA
Enveloped

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4
Q

Hep A transmission

A

Fecal-oral
Sexual
Parenteral

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5
Q

Hep B transmission

A

Sexual
Vertical
Parenteral

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6
Q

Hep C transmission

A

Sexual
Vertical
Parental

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7
Q

Hep A incubation

A

15-40 days

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8
Q

Hep B incubation

A

60-180 Days

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9
Q

Hep C incubation

A

60-120 days

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10
Q

Hep B symptoms

A

malaise
Jaundice: elevated ALT levels
anorexia
vomiting, fatigue, cough

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11
Q

Hep B recovery time

A

3-4 months after jaundice

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12
Q

Chronic Hep B

What to look for

A

Empty particles

Sporadic episodes of haptitis

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13
Q

Chronic hep B

Risks

A

Hepatocellular carcinoma (HCC)

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14
Q

Hep B vaccination

A

Multiple inoculations
No effective against chronic
Chronic: interferon, nucleoside analogs

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15
Q

Hep C compared to Heb B

A

milder symptoms

Chronic much more common

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16
Q

Hep C treatment

A

No vaccine

Interferon alpha reduces chances of chronic infection

17
Q

Hep A infection

A

fecal contaminated water

18
Q

Hep A symptoms

A

Maliase, anorexia, jaundice, vomiting

19
Q

Hep A vaccine

A

Havrix

20
Q

Hep A severity

A

More severe in adults than in children

Micro 2 (11 decks)

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