pathogens Flashcards
(8 cards)
What are vaccines?
Vaccines are artificial substances that trigger antibody and immune cell production without causing disease symptoms.
What do vaccines often contain?
Vaccines often contain weakened or inactivated parts of a pathogen.
How do vaccines improve immunity?
The presence of immune cells improves immunity by recognizing pathogens it encounters.
What are some ways to prevent illness?
1) Cover your mouth when you cough or sneeze.
2) Wash your hands frequently or use sanitizers.
3) Do not share personal items.
4) Avoid close contact with unwell people (social distancing).
5) Stay at home if you are sick so that you do not spread the virus.
What is the size of nanoparticles?
Nanoparticles are extremely small, typically around 100 nanometers.
What do nanoparticles do?
Nanoparticles interact with the surface of cells.
How do viruses interact with nanoparticles?
Viruses attach to nanoparticles instead of normal cells.
What happens to viruses after attaching to nanoparticles?
They are destroyed by phagocytes.