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HED 355 Exam with Questions and Answers Which of the following statements about the method of transmission of some infectious diseases is NOT true? A. Typhoid fever is spread by the fecal- oral route B. Tuberculosis is spread by aerosol C. AIDS is spread by a vector D. Syphilis is spread by sexual contact ANSWER C. AIDS is spread by a vector Which of the following is a method of interrupting the chain of infection: A. Immunization B. Hand-Washing C. Quarantine D. All of these ANSW...