Vaccination Flashcards
1
Q
What is active immunity?
A
This happens naturally when a pathogen enters your body.
E.g. if you have measles as a child it is unlikely that you will ever have it again
2
Q
What is passive immunity
A
This happens naturally when babies drink their mothers milk or antibodies are passed to the foetus through the placenta
3
Q
What is an autoimmune disease?
A
Sometimes an organs immune system is unable to recognise its own cells and it launches an immune response on the organisms own tissues.
4
Q
What is herd immunity?
A
Where unvaccinated people are protected because the occurrence of the disease is reduced by the number of people who are vaccinated.
5
Q
Why is immunisation worthwhile?
A
- Direct effects on health
- Reduces number of deaths
- Reduces days lost at work (economic)
- Costs more to treat an ill person than to vaccinate
6
Q
What needs to be considered when making a vaccine?
A
- Age
- Sex
- All healthy/not on other medication
- Not previously vaccinated/infected
7
Q
What are the 6 types of vaccines?
A
- Live (live pathogens)
- Dead (killed pathogens)
- Attenuated (weakened pathogens)
- Toxoids (toxins - made harmless)
- DNA
- Edible vaccines
