Influenza Flashcards

1
Q

Influenza onset

A

2 days (1-4) after exposure

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2
Q

influenza contagious

A

1 day before symptomatic and 5-7 days after onset

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3
Q

A/California/7/2009 (H1N1)

A
A - virus type
CA - geographic origin
7 - strain
'09 - year o/ isolation
H1N1 - virus type
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4
Q

abbrev for influenza vaccines

A
IIV
IIV3
IIV4
RIV/RIV3
LAIV/LAIV4
ccIIV4
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5
Q

IIV

A

inactivated influenza vacc

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6
Q

IIV3

A

trivalent influenza vacc

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7
Q

IIV4

A

quadrivalent influenza vacc

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8
Q

RIV/RIV3

A

recombinant HA vacc (Flublok)

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9
Q

LAIV/LAIV4

A

live attenuated influenza vacc (FluMist)

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10
Q

ccIIV4

A

cell-cultured (Flucelvax quadrivalent)

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11
Q

Types of Influenza Virus that cause human disease

A

A and B

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12
Q

These types undergo

A

yearly changes because they respond to avoid human antibodies

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13
Q

Types of yearly changes

A

Shifts and Drifts

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14
Q

Shifts

A

major change in Type A antigen

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15
Q

Drifts

A

minor change in A or B antigens

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16
Q

Type A lineages

A

human and animal

17
Q

type A’s in circulation currently

A

H1N1 and H3N2

18
Q

Type B lineages

A

Yamagata and Victoria

19
Q

Routine annual influenza vacc recommended for all persons aged

A

6 mo or older who don’t have contraindications

20
Q

special administration for these children:

A

children 6 mo through 8 years receiving influenza vacc for 1st time need 2 doses administered at least 4 wks apart

21
Q

dosing of influenza vacc

A

0.5 ml IM for > 3 years

6 mo and 35 mo 0.25 ml IM

22
Q

Cautions for Influenza vaccination should be taken in patients with

A

egg allergy

may receive vacc if:

  • history of egg allergy only results in hives
  • if have rxns other than hives

only c/i in patients with severe allergic rxn

23
Q

when should you begin to offer influenza vacc

A

soon as it becomes available, no later than oct

24
Q

how long should you provide influenza vacc

A

until supply is gone