Zusammenfassung der Ressource
Vaccination
- injected with vaccine- small amount of dead or inactive pathogen
- white blood cells detect the antigens on the dead or inactive pathogens
- antibodies attach themselves to the dead or inactive pathogens and kill them
- white blood cells memorise the antigen
- live pathogens enter the body
- white blood cells recognise the pathogens as they have the same antigens
- create antibodies to fit antigens
- antibodies attach and kill them before you feel ill