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,In an immunocompetent adult, the length of incubation for the 1-4 days
influenza virus is on average:
Adults pass the illness on 1 day before the onset of symptoms and continue to remain
infectious for approximately 5 days after the onset of the illness. Children remain
infectious for 10 or more days after the onset of symptoms and can shed the virus before
the onset of symptoms. People who are immunocompromised can remain infectious for
up to 3 weeks.
Influenza protection options for a 62-year-old man with trivalent inactivated vaccine (TIV) in standard dose via intramuscular injection.
hypertension, dyslipidemia, and type 2 diabetes mellitus
include receiving: This is the typical "flu shot." A quadrivalent inactivated vaccine is also available.
injected is not live but the nasal spray is
Which of the following should not receive vaccination against c
influenza?
A. a 19 year-old with a history of hive-form reaction to eating all members of the population age 6 months and older should receive annual
eggs immunization against seasonal influenza.
B. a 24-year-old woman who is 8 weeks pregnant
C. a 4-month-old infant who was born at 32 weeks of those with an egg allergy that is only hives should be given the vax
gestation
D. a 28-year-old woman who is breastfeeding a 2 week old.
A healthy 6-year-old girl presents for care. Her parents b
request that she receive vaccination for influenza and report
that she has not received this vaccine in the past. How many All children aged 6 months to 8 years who receive a seasonal influenza vaccine for the
doses of influenza vaccine should she receive this flu season? first time should receive 2 doses spaced ≥4 weeks apart.
A.1 B.2 C.3 D.4
,high risk populations that need flu vax • All children aged 6 through 59 months.
• Adults and children who have chronic pulmonary (including asthma) or cardiovascular
(except isolated hypertension), renal, hepatic, neurological, hematologic, or metabolic
disorders (including diabetes mellitus). Individuals age 50 years of age and older.
• Persons who have immunosuppression (including immunosuppression caused by
medications or by HIV infection).
• Women who are or will be pregnant during the influenza season.
• Children and adolescents (aged 6 months - 18 years) who are receiving long-term
aspirin therapy and who might be
at risk for experiencing Reye's syndrome after influenza virus infection.
• Residents of nursing homes and other long-term care facilities.
• American Indians/Alaska Natives.
• Persons who are morbidly obese (BMI ≥40) kg/m2.
• People who live with or care for those at high risk for complications from flu, including:
• Healthcare workers.
• Household contacts of persons with medical conditions that put them at high risk for
complications from the flu.
• Household contacts and out of home caregivers of children aged ≤59 months and
adults aged ≥50 years, with par-
ticular emphasis on vaccinating contacts of children less than 6 months of age. (These
children are too young to be vaccinated.)
LAIV is approved for___ LAIV is approved for use in healthy people ages 2 to 49 years old
It is not for patients with a health condition that places them at high risk for complications
from influenza, including chronic heart disease, chronic lung dis- ease such as asthma or
reactive airways disease, diabetes or kidney failure, and immunosuppression; children or
adolescents receiving long-term high-dose aspirin therapy; people with a history of
Guillain-Barré syndrome; pregnant women; and people with a history of allergy to any of
the components of LAIV. Adverse effects of LAIV include nasal irritation and discharge,
muscle aches, sore throat, and fever.
FDA approved antiviral drugs for flu In the United States, four antiviral drugs are approved by the Food and Drug
Administration (FDA) for use against influenza: amantadine (Symmetrel), rimantadine
(Flumadine), zanamivir (Relenza), and oseltamivir (Tamiflu).
, which flu drugs are only for influenza A and what are the new amantadine (Symmetrel), rimantadine (Flumadine)
reccs for them
high levels of resistance of influenza A viruses to amantadine and similar medications.
Because of this significant level of resistance, amantadine and rimantadine are no longer
recommended by the CDC for the treatment of influenza.
adverse affects of the 2 main flu antiviral drugs Zanamivir is inhaled and can cause bronchospasm, especially in patients with asthma or
other chronic lung disease.
The adverse effects of oseltamivir are largely gastrointestinal; the risk of nausea and
vomiting is significantly reduced if the medication is taken with food.
When considering an adult's risk for measles, mumps, and A
rubella (MMR), the NP considers the following: A. Patients
born before 1957 have a high likelihood of The MMR vaccine contains live but weakened (attenuated) virus.
immunity against these diseases because of a history
of natural infection. Two immunizations 1 month apart are recommended for adults born after 1957 because
B. Considerable mortality and morbidity occur with all adults born before then are considered immune as a result of having had these
three diseases. diseases(native or wild infection); vaccine against these three formerly common illnesses
C. Most cases in the United States occur in infants. was unavailable until the 1960s
D. The use of the MMR vaccine is often associated with
protracted arthralgia.
Which of the following is true about the MMR vaccine? D
A. It contains inactivated virus.
B. Its use is contraindicated in patients with a history of egg
allergy.
C. Revaccination of an immune person is associated with risk
of significant systemic allergic reaction.
D. Two doses at least 1 month apart are recommended for
young adults who have not been previously immunized.