Aradio announcement advises people to boil their water before drinking it or cooking with it. which of the following best explains why a health services department would broadcast this announcement? a. it wants to prevent the spread of communicable diseases through contaminated water. b. it wants to regulate how water is used to ensure that it is not wasted. c. it wants to people prevent the spread of communicable diseases through contaminated food. d. it wants to people recover from an illness by drinking clean, safe water.

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?

Anyone like cabela’s ? if you never been you def need to

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for