Matching Pairs Epidemic MatchingOnline version assignment by Benjamin D Morgan 1 Virus 2 Possible Epidemic Vaccination Percentage Level 3 viral disease 4 Herd Immunity 5 Vaccine 6 Epidemic definition 7 Immune infectious disease that spreads rapidly and sickens a large number of people A sickness caused by a virus is called A sub-microscopic particle that must infect living plant or animal cells to reproduce When 85-95% of the population is vaccinated against a virus When below 85-95% of the population is vaccinated against a virus A harmless dead or weakened virus/bacteria that stimulates a person's immune system to mount defenses against the virus/bacteria When a virus/bacteria cannot cause a person to become sick. You are considered __________ to this virus/bacteria