Chapter 19.3 Flashcards
1
Q
Vaccines
A
Vaccines are harmless derivatives of pathogenic microbes that stimulate the immune system to mount defenses against the harmful pathogen
2
Q
Epidemic
A
outbreak of disease that spreads quickly and affects many individuals at the same time
3
Q
Pandemic
A
Global Epidemics
4
Q
Viroids
A
Viroids are small circular RNA molecules that infect plants and disrupt their growth
5
Q
Prions
A
Prions are slow-acting, virtually indestructible infectious proteins that cause brain diseases in mammals
