Roundup Flashcards
1
Q
what are the characteristics of influenza
A
- highly contagious viral infection of the respiratory tract
- passed through aerosol droplets and direct contact of respiratory secretions
- fever, chills, headache, cough, myalgia
- normal recovery takes less than 14 days with bed rest
- seasonal peak in winter, commonly from influenza A and B strains
2
Q
describe the prevalence of influenza
A
- prevalence of strains varies each year due to antigenic drift
- can result in emergence of completely new subtype and outbreak
- antigenic shift more likely with strain A, especially H1N1
3
Q
outline the higher risk groups
A
- children under 6
- adults over 65 years
- pregnant women
- chronic respiratory or cardiac conditions
- immunosuppressed
- chronic neurological conditions
- BMI>40
4
Q
What are the associated problems with influenza
A
- mortality
- complications can include
- secondary bacterial pneumonia
- meningitis
- encephalitis/seizures
- in pregnancy: perinatal mortality, prematurity, low birth weight
5
Q
what are flu vaccines used for and what are they available as
A
- protect against A and B strains, with subtypes from previous season
- reviewed annually by WHO and JCVI
- available as inactive injection and attenuated nasal spray formulation
- manufacturer issues- annual changes, tight deadlines, wastage vs shortage
6
Q
why are flu vaccines offered in pharmacies
A
- convenient- long opening hours, local, highly accessible
- private services available in many pharmacies
- promotes the clinical abilities of pharmacists and supports burdened GP services
7
Q
who is eligible to have a free flu vaccination on the NHS
A
- chronic conditions- asthma, COPD, heart failure, liver disease, diabetes, immunosuppressed
- pregnant women
- front line health and social care workers
- residential care residents
- infants 6 months-2 years, with any of the chronic conditions
- children 2-11 and some secondary school children
- over 50s
8
Q
describe the flu vaccine uptake
A
generally below desired level for key groups who need it but increased in many groups
9
Q
what formulation are children being vaccinated against the flu given
A
- given a nasal spray formulation, not injection
- contains 4 strains
- less risk of pain, distress, injection site reactions
- can cause runny nose, headache, lethargy, fever
- carries the same rare risk of anaphylaxis as injection