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