Vaccines Flashcards

(85 cards)

0
Q

Stimulation with antigen to develop immunologic defenses against a future exposure

A

Active immunization

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1
Q

Induction of provision of immunity by any mean, active or passive

A

Immunization

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2
Q

Administration of preformed antibodies

A

Passive immunization

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3
Q

Occurs during infection

A

Natural active

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4
Q

Injecting or taking antigens by mouth

A

Artificial active

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5
Q

Mother to child placenta or milk

A

Natural passive

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6
Q

Injection of antitoxins given

A

Artificial passive

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7
Q

Results in the rapid appearance of low IgG antibody titers

A

Extrafollicular response

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8
Q

IgG titers peak after how many weeks?

A

4 weeks

2 weeks-4 weeks

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9
Q

Reactivates immune memory and results in a rapid <7 days increase of IgG antibody titer

A

Booster

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10
Q

Prevent or reduce infections by extra and intracellular agents and clear extracellular pathogens

A

Antibodies

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11
Q

Reduce control and clear (not prevent) intracellular pathogens

A

CD8+ cells

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12
Q

Reduce control and clear (do not prevent) extra and intra cellular pathogens

A

CD4+ cells

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13
Q

Antibody mechanisms

A

Binding to enzymatic and active sites of toxins
Opsonization
Complement activation
Preventing viral binding and entry

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14
Q

Antigens in vaccines

A

Weakened pathogens
Killed pathogens
Protein parts of pathogens

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15
Q

When a critical portion of the community is immunized against a contagious disease most members of the community are protected against the disease because there is little opportunity for an outbreak.

A

Community herd immunity

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16
Q

Critical portion

A

At least 80% immunized

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17
Q

Immune globulins

A
IVIg
Hep B immune globulin 
Rabies immune globulin 
Tetanus immune globulin 
CMV immune globulin 
Anti-D immune globulin (Rh)
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18
Q

Live attenuated vaccines

A

Viral mmr, varicella/zoster, yellow fever, rotavirus, intranasal influenza, vaccinia, oral polio

Bacterial BCG, oral typhoid

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19
Q

Weakened form of wild virus or bacteria, produces mild symptoms

A

Live attenuated

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20
Q

Cannot replicate, not as effective as live vaccines

A

Inactivated vaccines

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21
Q

Generally require 3-5 doses

A

Inactivated vaccines

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22
Q

Inactivated vaccine immune response

A

Mainly humoral

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23
Q

Boosters needed, titer may diminish with time

A

Inactivated

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24
More durable immune response, which type of vaccine?
Live attenuated
25
Whole cell inactivated vaccines viral
Polio, hep a, rabies, influenza
26
Whole cell inactivated bacterial
Pertussis, typhoid, cholera, plague
27
Fractional inactivated
Subunit | Toxoid
28
Fragment of microbe, may be surface proteins or viral genes
Subunit
29
Examples of subunit vaccines
``` Hep B Influenza Acellular pertussis Hpv Anthrax ```
30
Toxin rendered not harmful
Toxoid
31
Toxoid examples
Diptheria | Tetanus
32
Polysaccharide vaccines types
Pure polysaccharide | Conjugate polysaccharide
33
Not consistently immunogenic in children <2 years
Pure Polysaccharide vaccines
34
No booster response, antibody with less functional activity, immunogenicity improved by conjugation
Pure polysaccharide vaccines
35
Examples pure polysaccharide
Pneumococcal | Meningococcal
36
For children <2 years, linked to proteins
Conjugate polysaccharide
37
Examples conjugate polysaccharide
H. influenzae type b Pneumococcal Meningococcal
38
Bcg
Live attenuated
39
Diptheria
Toxoid
40
Tetanus
Toxoid
41
Pertusis whole cell
Killed
42
Pertussis acellular
Protein
43
Polio Salk
Killed
44
Polio Sabin
Live attenuated
45
Rabies
Killed
46
Hep A
Killed
47
Hep B
Protein
48
HPV
Fractional subunit, VLPs
49
HiB
Polysaccharide
50
HiB conjugate
Polysaccharide conjugate
51
Pneumococcal
Polysaccharide | Conjugate
52
Varicella
Live attenuated
53
MMR
Live attenuated
54
Typhoid
Live attenuated oral | Polysaccharide
55
Influenza
Killed trivalent | Live attenuated intranasal
56
Rotavirus
Live attenuated
57
Meningococcal
Polysaccharide | Conjugate
58
Yellow fever
Live attenuated
59
WHO expanded program vaccines
``` BCG DPT OPV/Sabin HepB Measles (not MMR) ```
60
Principles of vaccination
Correct Age Interval No. of doses
61
Adverse reactions
Local pain swelling redness Systemic fever malaise headache Specific Allergic
62
Local adverse reaction common in
Inactivated vaccines, tetanus hpv
63
Systemic effects in
Live vaccines, dpt
64
Intussuception
Rotavirus vaccine
65
Permanent contraindications to vaccination
Severe allergic reaction to prior dose | Encephalopathy within 7 days of pertussis vaccination not due to other causes
66
Allergy to component, live and inactivated
Contraindicated
67
Encephalopathy, inactivated
Contraindicated
68
Pregnancy, live
Contraindicated
69
Pregnancy, inactivated
Vaccinate if indicated
70
Immunosuppresion, live
Contraindicated
71
Immunosuppression, inactivated
Vaccinate if indicated
72
Severe illness, live and inactivated
Precaution
73
Recent blood product, live
Precaution, mmr and varicella only 2 containing
74
Recent blood product, inactivated
Vaccinate if indicated
75
Routine adult immunization
``` Tetanus, diptheria, acellular pertussis HepB Varicella MMR Pneumococcal Influenza ```
76
Additional vaccines for health care workers
Typhoid | Rabies
77
DPT
Inactivated | Intramuscular
78
HepB
Inactivated | IM
79
Varicella
Live attenuated | SubQ
80
MMR
Live attenuated | SubQ
81
Pneumococcal
Inactivated | IM
82
Influenza
Inactivated | IM
83
Typhoid
IM capsular polysaccharide
84
Rabies
IM/ ID