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