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