PSYC 3110 Lecture Notes - Lecture 16: Norm (Social), Social Cognition, Encephalitis

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Lecture 16: Immunization
Essay
- You can put your opinion, but ask yourself is it a good opinion? Is it a reflective
opinion? If it is that is the position of your essay. Point of essay is to reflect on literature
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and have an informed opinion based on what you read in the literature. Do not have an
overview of the literature and then at the end add an opinion on this.
- Introduction
Where you say “This is what I am going to be arguing and this is how I am going to
do it”
- Check course outline
Immunization
Generally recognized as most successful example of primary prevention of disease 
Vaccination of susceptible individuals 
- If you are not immune you are of vulnerable
Immediate protection of individual 
- When you are vaccinated you generally have immunity on an individual level
Protection of community as a whole (high uptake) 
- When you have high uptake in a population the disease can’t get a foothold and thus
the community is protected
Herd immunity (community immunity) 
- When a large number 90% immunity you have herd immunity
- When it comes to public health measures, immunization is one of the top strategies
- Most agree that vaccines are one the most successful preventions
- There’s controversy over vaccines
Why if there is scientific support?
- There are many people that cannot get vaccinated
Who depends on herd Immunity?
These people rely on herd immunity:
People without a fully-working immune system, including those without a working
spleen 
People on chemotherapy treatment whose immune system is weakened 
People with HIV 
Newborn babies who are too young to be vaccinated 
Elderly people 
Many of those who are very ill in hospital 
- There are all individuals and groups if there is an outbreak of the disease are at high
risk
- If the population does not have herd immunity this is a big problem
Does vaccination work?
- There is controversy around this
- However, scientifically there isn’t controversy
- Table in notes shows reduction of disease after immunizations
- evidence is extremely compelling that vaccines work
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