Which combination of information is most useful to public-health officials? incidence and surveillance

prevalence and surveillance

prevalence and incidence

bias and prevalence

What would you call 2-1-1 for? a. product safety info b. after a car crash c. referral to suicide counseling d. after a home break in

How will your knowledge of hipaa regulations affect your career in healthcare

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent. i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious. ii. microscope. iii. culture the substance on nutritive medium, away from any plant cells. iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious. if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv