Answer to Question #293352 in Biology for diku

Question

R0 is: a) The death rate as a result of pathogen infection b) The percentage of a population that must be infected/vaccinated to achieve herd immunity c) The transmissibility of the pathogen, how many people an infected person is expected to infect d) The rate of morbidity (suffering/disease) as a result of pathogen infection e) The rate of full recovery from pathogen associated disease

What distinguishes what the Chinese first practiced for variolation from what Edward Jenner did? a) The Chinese used cowpox virus scabs, not smallpox virus scabs which Jenner used b) The Chinese used smallpox virus for variolation two times per person, Jenner smallpox only once per person c) Edward Jenner combined smallpox scabs with scabs from bacterial infections d) Edward Jenner used cowpox virus scabs, not smallpox virus scabs which the Chinese used e) There is no distinction, both the Chinese and Jenner used smallpox virus scabs twice per person for maximum effectiveness

Answer 1

c) The transmissibility of the pathogen, how many people an infected person is expected to infect

c) Edward Jenner combined smallpox scabs with scabs from bacterial infections