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