Vaccination

What is a vaccination?

Vaccines area form of antigens injected into blood to trigger artificial active immunity against a pathogen

What are the 3 types of safe vaccinations?

1. RNA

2. Genetically engineered antigens

3. Isolated antigens

What is a booster?

An additional dose of a vaccine after the initial vaccine series

Why may people need boosters?

1. May not produce adequate memory cells

2. Need it due to antigen variation and mutation

3. Need it due to crossbreeding

Epidemic vs Pandemic

Epidemic = communicable disease spreads rapidly locally

Pandemic = communicable disease spreads rapidly across countries

What is herd immunity?

When a large proportion of the population has been vaccinated, so it makes it hard for the pathogen to spread.