Matching Pairs Epidemic FlashcardsOnline version Flashcards on epidemics by Benjamin D Morgan 1 False 2 Increase 3 Vital Signs 4 Decrease 5 Virus 6 Herd Immunity 7 viral disease 8 Viral diseases can be spread through... 9 True 10 Possible Epidemic Vaccination Percentage Level 11 Epidemic definition 12 Vaccine 13 Immune The only way that a person can become immune to a viral disease is by becoming ill and then recovering (True or False) The only way that a person can become immune to a viral disease is by becoming ill and then recovering OR by getting a vaccination (True or False) As the number of people in the population that are immune to the disease increased the number of people in the population who became sick/ill will A sickness caused by a virus is called air, contaminated food, contaminated water, or contaminated surfaces As the number of people in the population that were originally infected increased the number of people in the population who became sick/ill will infectious disease that spreads rapidly and sickens a large number of people When 85-95% of the population is vaccinated against a virus Clues for determining if a person is sick AND what they might be sick with 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 A sub-microscopic particle that must infect living plant or animal cells to reproduce When a virus/bacteria cannot cause a person to become sick. You are considered __________ to this virus/bacteria