¿todas las enfermedades son causadas por agentes patógenos?

Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?

Can someone give me a hand with this one.

According to the ama, what is the key reason behind a physicians' duty of confidentiality to patients? a. the u.s. constitution requires physicians' confidentiality. b. patients will feel more confident in disclosing information to their physicians. c. sharing a patient medical information is a form of defamation. d. if a physician reveals information about a patient, that information isn't admissible in a lawsuit.