Vaccination (AQA GCSE Biology Combined Science): Flashcards
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What is vaccination?
What is vaccination?
A process to protect people from dangerous diseases by preventing illness and stopping disease spread
What do vaccines contain?
What do vaccines contain?
Dead or weakened pathogens
Examples of diseases vaccines protect against
Examples of diseases vaccines protect against
Measles, mumps, polio, diphtheria, tetanus
How do vaccines work?
How do vaccines work?
They train the immune system to fight diseases before you catch them
What are antibodies?
What are antibodies?
Proteins made by the immune system to fight pathogens
What does immune mean?
What does immune mean?
Protected from a disease, won't get ill from it
What is herd immunity?
What is herd immunity?
When most people are vaccinated, disease can't spread easily through the community
Common vaccine side effects
Common vaccine side effects
Mild: soreness at injection site, swelling, feeling slightly unwell
What does the MMR vaccine protect against?
What does the MMR vaccine protect against?
Measles, mumps and rubella (German measles)
Effect of high vaccination rates (over 90%)
Effect of high vaccination rates (over 90%)
Very low disease cases in the population