There were 100 new cases of syphilis last year in a given population of 100,000 people. At that time, 500 people in this population already had syphilis. The incidence of syphilis in this population is __________. View Available Hint(s) for Part A       100 per 100,000 500 per 100,000 1,000 per 100,000 5,000 per 100,000

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