Vaccines Flashcards

1
Q

Adjuvant

A

compound that increases immunogenicity of an antigen. The most common in vaccines is the aluminum salt Alum

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2
Q

Passive immunization

A

the use of immune serum to give an immediate resistance to an infection

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3
Q

active immunization

A

the act of immunizing with antigens to induce an immune response to a pathogen

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4
Q

live attentuated

A

weakened virus that can replicate to a limited extent

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5
Q

DPT

A

older vaccine used whole, killed pertussis

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6
Q

DTaP

A

replaced pertussis bacteria with acellular components

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7
Q

Tdap

A

reduced concentration, used in adolescents and adults

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8
Q

DT and Td

A

boosts for diphtheria and tetanus

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9
Q

Multi-vaccines

A

DTaP, IPV, and Hib

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10
Q

Why was DPT used?

A

killed pertussis and was really good adjuvant; very strong innate immune response often lead to fever

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11
Q

Why might DPT be problematic?

A

Some fevers were severe, many blamed vaccine for permanent disability

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12
Q

What is the difference between DPT and DTaP

A

DTaP is made with pertussis toxoid and other purified components; uses aluminum salts as the adjuvant; much safer than DPT with many less sever reactions

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13
Q

Describe DTP disease vs risk

A

Diptheria and tetanus: death 1 in 20

Pertussis death 1 in 20 for young children, encephalopathy, pneumonia

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14
Q

Polio Vaccine

A

IPV inactivate polio vaccine or OPV (live attentuated strain)

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15
Q

MMR vaccine

A

live attentuated virus; infants have maternal antibodies that would prevent the virus from growing, get vaccine at 12-15 months

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16
Q

Are vaccines associated with autism?

A

no, but people have claimed it before; rate of autism is increasing over the time.

17
Q

MMR vaccine vs disease?

A

MMR Vaccine: Fever, rash, malaisel encephalitis or severe allergic reaction: less than 1 in a million

18
Q

HPV vaccine

A

Cervarix and Gardasil; protect against HPV 16 and 18; recommended for girls 11 to 12

19
Q

Rabies

A

Deadly viral disease; transmitted by bite form infected animal ; vaccination of domestic animals prevents most human exposure.

20
Q

Rabies Post Exposure Prophylaxis

A

RIG (rabies immune globulin); HDCV (human diploid cell rabies vaccine); PCECV (purified chick embryo cell vaccine)