Quiz 2 Flashcards

(116 cards)

1
Q

Herpes Zoster Epidemiology

A

-Commonly called shingles
-reactivation of latent varicella zoster virus ‘
-Incidence and severity increase with age
-Risk increased by immunosuppression

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2
Q

Herpes Zoster complications

A

Post-therapeutic neuralgia - persistent pain after skin lesions healed

May limit daily activities and decrease quality of life

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3
Q

Zoster vaccines

A

Live attenuated zoster vaccine (ZVL)
-Licensed for individual > 50 years
-No longer marketed in the US cause not as effective
-Zostavax

Recombinant zoster vaccine (RZV)
-contains recombinant glycoprotein E and adjuvant
-two dose series 0 and 2-6 months
-Shingrix

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4
Q

RZV vaccine complications

A

-About 91% effective in prevention of zoster

-Injection site reactions are common (78%)

Immunocompromised
70% in auHSCT and 87% in hematologic malignancy

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5
Q

ACIP recommendations Herpes Zoster

A

Recommended for all adults >50 years
-Recombinant zoster vaccine two doses 2-6 months apart

All immunosuppressed individuals aged 19 years and older
-0 and 2 months

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6
Q

Respiratory Syncytial Virus (RSV) epidemiology

A

-Common seasonal respiratory virus
-Very contagious
-Well known to cause hospitalization with bronchiolitis and wheezing in infants

-Considerable burden of illness in adults
*65 and older
*Chronic illness, heart, hematologic, neurologic, diabetes, kidney, liver, immunocompromise, others

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7
Q

Respiratory Syncytial Virus (RSV)

A

Infants
-Acute respiratory illness symptoms
**runny nose
**decreased oral intake

Adults
-Acute respiratory illness
**Rhinorrhea
**Pharyngitis
**Cough
**Headache
**Fatigue
**Fever

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8
Q

RSV vaccines

A

Pfizer bivalent RSVpreF (Abrysvo)
GSK adjuvanted RSVpreF3
(Abrexvy)
-single dose

Both demonstrated efficacy against lower respiratory tract RSV infection over at least 2 seasons in individuals aged 60+ years

ACIP:
1. Single dose all adults > 75 years old
2. Adults aged 60-74 years with certain chronic medical conditions or other factors that increase risk of severe RSV –> single dose

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9
Q

Risk factors RSV

A

-CV disease
-Lung disease
-End stage renal disease
-Diabetes with end-organ damage
-Severe obesity
-Liver disorders
-Neurologic or neuromuscular disorders
-Hematologic disorders
-Moderate to severe immunocompromise
-Frailty
-Long term care resident
-Chronic med conditions

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10
Q

Adverse reactions RSV

A

Injection site reactions
-Arthralgia, myalgia, fatigue, headache
-No difference in incidence of serious adverse effects compared to placebo

Guillain-Barre syndrome

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11
Q

RSV for pregnant person

A

RSV vaccine during pregnancy weeks 32-36 gestation (passive immunity for infant)
-Injection site and systemic adverse reactions resolved in 2-3 days
-No risk to to preterm birth

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12
Q

Nirsevimab for infants

A

-Long acting monoclonal antibody with efficacy in the prevention of lower respiratory tract RSV infection
-Administer just prior or during RSV season - October to March

-Eligible infants < 8 months born prior to or during RSV season
-Eligible children aged 8-19 months at increased prior to or during second RSV season

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13
Q

Covid-19 pathology

A

-Respiratory symptoms by SARS CoV2 virus

-Fevers or chills
-Cough
-Shortness of breath
-Fatigue
-Myalgia
-Headache
-New loss of taste or small
-Sore throat
-Congestion
-Nausea, vomiting, diarrhea

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14
Q

COVID-19 epidemiology

A

Risk is substantially lower compared to early in pandemic

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15
Q

COVID-19 vaccine

A

mRNA vaccine
Target virus in same lineage
Moderna/Pfizer > 6 months
Novavax > 12 years

ACIP recommendation
All individuals aged 6 months or older
*Updated in Fall 2024 to improve response to currently circulating variants

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16
Q

Precaution

A

A condition in a vaccine recipient which may result in a problem if a vaccine is administered or a condition which could compromise the ability of a vaccine to induce immunity

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17
Q

Pregnancy

A

Benefit and risk assessment for vaccines
*risk cannot be ruled out by benefit may justify the risk
Routine prenatal care includes immunization history

Refer for prenatal care
*avoid live vaccines
*defer HPV immunization till after pregnancy
*Tdap in late 2nd or 3rd trimester

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18
Q

Influenza vaccine in pregnancy

A

Pregnant individuals at high risk for morbidity associated with influenza infection

4 fold increased risk of hospitalization and death

*vaccine recommended for pregnant individuals

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19
Q

RSV vaccine for pregnant individuals

A

RSV vaccine (Abrysvo) during pregnancy weeks 32-36
*passive immunity for infant
*Don’t use adjuvanted RSV
*Only vaccinate when gestation lines up seasonally (September to January)

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20
Q

Post partum (post birth) immunization

A

Rubella and/or varicella vaccines for seronegative
Tdap at hospital discharge if unimmunized
Influenza vaccine in season and unimmunized

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21
Q

Is lactation a contraindication?

A

No for mother and infant immunization

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22
Q

Immunosuppression

A

Two pronged risk
*risk of vaccine induced mortality or morbidity
*risk of poor host response to vaccine

Various diseases
*HIV, cancer, generalized malignancy

Various meds
*alkylating agents, antimetabolites, radiation
*corticosteroids (>20 mg/day) or prednisone (> 2 mg/kg/day) for more than 2 weeks
-Biologics, transplant meds

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23
Q

Immunosuppressed recommendations

A

-No lives vaccines
-OPV and small pox vaccines should not be administered to a household contact (risk of developing live disease)
-LAIV not administered to contacts of those requiring protective environment
-Can do the pneumococcal vaccine, or zoster vaccine series

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24
Q

Asplenia

A

Increased risk for fulminant bacteremia
Give meningococcal and pneumococcal vaccines if under 2
Hib vaccine

*If the splenectomy is elective (meaning you have time) immunize two weeks prior to surgery
*Annual influenza vaccination recommended

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25
Liver disease
-No viral hepatitis or other liver disease *Need hep A, hep B, annual infuenza, pneumococcal
26
HIV
-Need pneumococcal, MenACWY, no annual activated influenza, Tdap, hep B -Consider MMR or varicella *Avoid live vaccines
27
Cancer patients
-Avoid immunization during chemo -Annual LAIV should not be administered
28
Solid Organ Transplant
-Immunize while waiting -Annual LAIV, pneumococcal, Tdap, Hep B (might need booster) vaccine needed
29
High Risk medical conditions
Diabetes: Hep B series (19-59 years), pneumococcal, annual inactivated influenza Renal failure: pneumococcal, hepatitis B series, LAIV, Td/Tdap
30
Healthcare workers
-Up to date with adult immunizations -Two doses of MMR -Varicella if not immune (born before 1980 doesn't count as immune) -Hep B -Pertusis -Annual Influenza
31
Adolescents
-Important access point for many preventative health needs Immunization -11/12 years and 16 years Tdap, MenACWY, MenB, HPV
32
Elderly
-Pneumococcal and annual influenza -Tdap -RZV -RSV for >75 years and risk based for 60-74 years -Decreased immune response to Hep B vaccine
33
Concurrent illness
-Mild illness not a contraindication -Antibiotic therapy not a contraindication -Wait till after moderate or severe illness is resolved *Well enough to be in the pharmacy, well enough to be immunized
34
RZV
Recommended for immunosuppressed age 19 or older Recommended for normal > 50 years Revaccinate those who receive ZVL
35
Shared Clinical Decision Making
MenB - 16-18 HPV - 27-45 PCV20/21 for >65 years who previously had PCV13 +PPSV23
36
MenB series for 18-18
Uncommon disease Serious disease Availability of vaccines Unknown degree of protection and duration of protection
37
HPV for 27-45 year olds
Very common no consequence Infection most common in adolescents and young adult New Sex partner --> risk
38
PCV20/21 for >65 years
Only if previously received PCV13 and PPSV23 after age 65 If decide to use PCV20/21 administer at least 5 years after last dose
39
Shared clinical decision making documentation
-As a practice group decide which patients you will have convo with -Document the conversation in pharmacy notes
40
Hard to reach populations
Also called marginalized populations Defined by barriers to vaccination Difficult to vaccinate due to -Distrust -Religious beliefs -Lack of awareness -Poverty or low SES -Lack of time to access vaccine services -Gender based discrimination
41
Vaccine Hesistancy
Three drivers Complacency Covienience Confidence *Don't disparage patients who are vaccine hesitant; engage with them and answer their questions
42
Vaccine denier
Focus on countering arguments Importance of recognizing that the audience is the public who are present not the vaccine denier
43
Pre travel counseling
Patients medication history -Health status -Medications -Allergies -Vaccine history Patient's itinerary/behavior -duration of travel -rural vs urban -Planned or unplanned activities -Visiting friends or relatives -patient's risk tolerance
44
Food and water precautions
Avoid Tap water and anything washed or made from it -Uncooked meat -unpasteurized stuff
45
Insect precautions
Use an EPA approved repellant DEET and Picaridin are safe for children > 2 months of age and for pregnant women Apply sunscreen then repellant
46
Dengue Fever pathology
Flavivirus infection transmitted through mosquitoes -Endemic to tropics and subtropics -Acute febrile illness with headache, retro-orbital pain, muscle/joint aches, rash
47
Dengue fever vaccine
Dengvaxia For children 9-16 years old living in areas endemic *Not approved for US travelers who are visiting but not living in areas where dengue is endemic
48
Zika Virus
Flavivirus infection from mosquitoes -Intrauterine, perinatal, and sexual transmission Endemic in tropics and subtropics found in rural and urban areas Most infections are asymptomatic or mild
49
Congenital Zika virus infection
Microcephaly with brain anomalies and fetal loss *Pregnant woman should avoid areas with Zika
50
Chikungunya Virus
Viral infection from mosquitoes Endemic in tropics and subtropics and rural/urban areas Acute febrile illness with headache, muscle/joint aches, conjunctivitis, nausea, vomiting, rash *Joint pain can be severe and last from months to years *New vaccine available in the US
51
Chikungunya Vaccine
Live attenuated vaccine for adults >18 years of age One dose May be considered to persons traveling to area with Chikungunya virus in last 5 years who are: - above 65 years old with underlying medical conditions - Persons who stayed for longer than 6 months
52
Chikungunya vaccine contraindications
Immunocompromising condition, history of allergic reaction Precautions: Pregnancy and breast feeding Some side effects are tenderness, fatigue, muscle and joint aches, etc.
53
Cholera
An acute bacterial intestinal disease that causes bacteria *Transmitted through ingestion of contaminated water or food in endemic areas Treatable with rehydration +/- antibiotics
54
Cholera Vaccine
Live attenuated single dose oral vaccine Approved for 2-64 years old Vaccine ingested orally by patient
55
Japanese B Encephalitis
Mosquito borne flavivirus infection Most infections are asymptomatic, but when it fully develops it has high fatality rate Occurs in Asia and parts of Australia
56
Japanese Encephalitis Vaccine
Recommended for long term travelers or for short term travelers Inactivated Vero cell culture-derived vaccine Approved for >2 months 2 dose series on day 0 and 28
57
Tick borne Encephalitis
Single stranded RNA virus Transmitted to humans through Tick bite or by ingesting unpasteurized dairy products Symptoms range from non-specific febrile illness to acute non-invasive disease
58
TBE vaccine
Inactivated whole virus vaccine with formulations for children and adults 3 dose schedule with third dose 5-12 months after 2nd dose Booster >3 years after completion of primary immunization then every 3-5 years
59
Typhoid Fever
An acute febrile illness caused by bacteria Transmission is through contaminated food and water and person to person contact
60
Typhoid vaccines
Injectable inactivated vaccine 2 years of protection Approved for >2 years of age Oral live attenuated vaccine 4 capsules 1 taken every other day, refrigerate Duration of protection is 5 years Approved for > 6 years *NO LIVE VACCINE TO IMMUNOSUPPRESSED
61
Yellow fever
Single stranded RNA virus transmitted by mosquitoes Symptoms are influenza like syndrome to severe hepatitis, hemorrhagic fever, and death Proof of vaccination required in some African countries
62
Yellow fever vaccine
Live attenuated vaccine approved for > 9 months Single dose Prioritize unvaccinated vs. traveler who's there longer but has been previously vaccinated
63
Medications for travelers
Travelers diarrhea -OTC meds -Antibiotics Malaria Prophylaxis Altitude illness -acetazolamide Motion sickness -scopolamine patch -OTC medicines (meclizine, dimenhydrinate) Flight anxiety/sleep meds
64
Malaria pathology
Caused by parasites in mosquitoes Symptoms include fever, chills, headache, body aches, generalized malaise Severe disease can lead to seizures, mental confusion, kidney failure, acute respiratory distress, coma, death Prevention Avoid Mosquitoes when possible Chemoprophylaxis
65
Malaria Medicine
Chloroquine: Areas w Chloroquine-Sensitive mosquitoes Doxycycline: All areas Atovaquone-proguanil: All areas Mefloquine: All areas except SE Asia
66
Responding to vaccine denier
1. Identify the technique used 2. Disentangle the core points and address each separately 3. Respond with evidence based message
67
Adverse events
Predictable based on pharmacology of vaccine Unpredictable based on properties of vaccine (alopecia after hep B vax)
68
Seizures following immunization
Stable controlled seizure disorder no effect on immunization *Caution for MMRV vaccine if have personal or family seizure history
69
Acetaminophen effect on vaccines
Fever is a common adverse event following immunization *Recent study found lower antibody response to pediatric vaccines in those who received prophylactic acetaminophen Discourage use of prophylactic antipyretics
70
Vaccine associated paralytic polio
Reversion of vaccine virus to more neurovirulent phenotypes Very rare in healthy vaccinees or their contacts
71
Gullain Barre Syndrome
-Neurological syndrome characterized by loss of reflexes and symmetric paralysis with recovery -Immune response directed at myelin sheath of peripheral nerves or axon -May be triggering event (acute infection, vaccination)
72
GBS epidemiology
Common in later adolescents to older adults Seasonally in late summer Associated with campylobacter infection
73
Vaccine associated GBS
Tetanus toxoid--> extremely low risk Hepatitis B vaccine and polio vaccine --> no association established Influenza vaccine --> very low RSV vaccine in individuals >60 --> very low risk MenACWY--> no increased risk
74
Thimerosal in vaccines
FDA Modernization Act of 1997 called for review of mercury containing food and drugs Thimerosal preservative contains very low levels of mercury
75
Thimerosal bottom line
Thimerosal free preparations now available in U.S Risk of vaccine preventable disease much higher than the unknown, probably much smaller risk of thimerosal exposure
76
SIRVA
shoulder injury related to vaccine administration -Injury to musculoskeletal structures of the shoulder -Should pain, limited range of motion -Inflammatory reaction resulting from unintended injection of vaccine or needle trauma
77
Allergic reaction
Risk of anaphylaxis following immunization is very low Mediated IgE Occur within minutes to hours of the vaccine Require medical attention
78
Materials associated with Anaphylaxis
Vaccine antigen Animal or yeast protein Antibiotics Preservatives Stabilizers Packaging
79
Anaphylaxis
Occurs shortly after exposure Exposed to antigen previously Mediated by IgE IgE antigen complex attach to receptors on basophils and mast cells Basophils and mast cells release mediators
80
Mortality due to Anaphylaxis
Direct -Upper airway obstruction -bronchial dysfunction -Hypotension Indirect -myocardial infarction -cerebral injury -ischemia, hypoxia -epinephrine use
81
Epinephrine
Indications: bronchospasm, laryngeal edema, urticaria, angioedema, hypotension Goals: maintain airway, reduce fluid, extravasation, reduce pruritis, maintain SBP Complications: Arrythmias, hypertension, nervousness, tremor
82
Epinephrine
Adult dose Epinephrine 1:1000 0.3-0.5 mL sq or im Pediatric dose Epinephrine 1:1000 0.01 mL/kg sq or im May repeat dose in 15 minutes if necessary
83
Antihistamines
Indication: urticaria Goals: reduce pruritis, antagonize H1 effects of histamine Complications: Drowsiness, dry mouth, urniary retention Dose 1-2 mg.kg im or iv Typically 50-100 mg
84
How to prepare for anaphylaxis
Make an anaphylaxis kit *Epinephrine auto injector *Diphenhydramine syringe *Alcohol wipes *Tourniquet *Management protocol
85
Fainting
Vasovegal reaction consisting of sympathetic nervous system stimulation Often in a setting of fear or emotional distress Sudden onset of hypotension Assist to lying down *don't confuse with stroke
86
Legal requirements for immunization delivery by a pharmacist
Wisconsin Act 68 and 24: No prescription -Age 6 or older -ACIP recommended vaccine Pharmacy techs may administer vaccines Students must complete course and be supervised by a healthcare provider authorized to administer vaccines Prescription -Any vaccine -Age 0-5 years
87
A plan for implementing immunization services in a pharmacy
Screening Vaccine ordering and storage Record keeping Reimbursement
88
Private insurance or managed care
Beneficiaries must check with their plans to determine if immunization must be obtained within the HMO
89
Medicare Part D
Covers vaccines for adults with Medicare Part D plans *Used for zoster and RSV vaccine
90
Medicaid
Will pay for influenza or pneumococcal vaccines administered in pharmacies
91
Vaccines for Children program
VFC Federal program provides vaccine at no cost to uninsured, underinsured or American Indian or Alaska native children 0-18 years *No charge for vaccine but might have administration fee
92
Roster billing
simplified billing method for immunization One CMS 1500 submitted with a list of claims Roster billing can be used for mass immunization clinics
93
Exposure plan
Document that contains information about what to do in the case of an exposure Contains: -Facility name -Determination of employee exposure -Implementation of various methods of exposure control *Universal precautions *Engineering and work practice controls *PPE *Housekeeping -Hep B vaccine -Post exposure evaluation and follow-up Communication of hazards to employees and training -Recordkeeping -Procedures for evaluating circumstances surrounding exposure incidents *Person or department responsible for different aspects of program adminsitration
94
Promote immunization services in a locality
Educate other pharmacist staff to serve as vaccine educators and recommend immunizations -Posters, flyers, bag stuffers -Press release -Local immunization coalition *Immunize patients consider process continue immunization efforts all year long *Share success
95
Medicare part B
covers annual influenza vaccine, pneumococcal vaccine, CMS priority to increase immunization rates *covered in any setting *No deductible
96
What to charge?
Must charge all patients the same price
97
Small Pox epidemiology
Globally eradicated in 1980 Biological warfare -French and Indian wars Storage of virus stocks in Russia and US
98
Small Pox vaccine
Live vaccine Live, non replicating Cross protection for Orthopoxviruses (monkey, cow, variola)
99
Small pox vaccination procedure
Vaccine vial contains about 100 doses Vaccinator wears gloves Remove aluminum seal and rubber stopper Choose vaccine sit Cleaning site unnecessarily Bifurcated needles supplied with vaccine (scratch surface of skin)
100
Scarification
vaccination process that involves scratching the skin Needle at right angle to skin Strokes vigorous enough to cause trace of blood to appear
101
Small pox vaccine response
Primary vaccination -Pustular lesion must be present on day 6-8 Revaccination -Pustular lesion or significant induration surrounding a central lesion on day 7
102
Public health approach in case of bioterrorism?
Mass preexposure not in plan -Risks outweigh benefits (people can die from getting vaccine induced small pox) Surveillance and containment strategy
103
Small pox vaccine strategy
Ring vaccination Focused contact tracing Deliver vaccine to those who are at highest risk Avoid adverse effects associated with mass immunization Limited vaccine and VIG supplies
104
Monkeypox
vaccine recommended for -People having contact with someone with M. Pox -Sexual partner had M. Pox -Multiple sexual partners in area with M. Pox Vaccine: 2 doses separated by 4 weeks Subcutaneous administration
105
Anthrax vaccine description
Cell free filtrate of anthrax culture *No dead or live bacteria Vaccine schedule: -Vaccine doses administered intramuscularly -Primary vaccination at 0,1,6,12, 18 months -Maintain immunity with annual boosters for people at risk
106
Anthrax postexposure prophylaxis
Three doses (0,2,4, weeks) in combo with antimicrobials
107
contraindications for anthrax vaccine
History of anthrax infection Anaphylaxis following dose Postpone for moderate to severe illness
108
Adverse events for Anthrax
Local reactions Systemic symptoms Safety assessed extensively in military populations
109
Ebola epidemiology and pathology
Rare deadly viral infection Transmitted through contact with infected body fluids Fever, myalgia, internal hemorrhage, vomiting, or coughing blood -70-90% fatal -Supportive care
110
Ebola vaccine
Live recombinant prevents infection *not effective in outbreaks -Healthy non pregnant, non lactating adults with occupational exposure Adverse effects (anaphylaxis, arthritis)
111
CASE
Corroborate About Me Science Explain + advise
112
VAERs
Report adverse events requiring medical attention occurring within 30 days of getting vaccine Purpose: Designed to generate, not test vaccine safety hypotheses Detect possible signals of adverse events associated with vaccien
113
What vaccine is required to gain entry into Saudi Arabia during the the Hajj?
Meningococcal vaccine
114
Personal Liability insurance
$1 million per occurrence and $2 million per year
115
Sub Q vaccine
5/8 in and 25-37 gauge needle 1 mL and/or 3 mL syringe 45 degrees
116
IM vaccine
1 to 1 1/2 in with 22-25 gauge needle 1 mL and/or 3 mL syringe 90 degrees