Relacionar Columnas Epidemic MatchingVersión en línea assignment por Benjamin D Morgan 1 Vaccine 2 viral disease 3 Virus 4 Possible Epidemic Vaccination Percentage Level 5 Epidemic definition 6 Herd Immunity 7 Immune 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 A sub-microscopic particle that must infect living plant or animal cells to reproduce A sickness caused by a virus is called When below 85-95% of the population is vaccinated against a virus infectious disease that spreads rapidly and sickens a large number of people