This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
All are steps of investigation of an epidemic except: 
Select and explain. 
A. Verify the diagnosis, B. Before staing investigation, inform the media, C. Formulation of hypotheses, D. Confirmation of the existence of an epidemic
B: Before staing investigation, inform the media
Answer: B: Before staing investigation, inform the media 
Explanation: Ans: b. Before staing....Investigation of an Epidemic aln Steps Park 23rd/ 131-33Verification of diagnosisConfirmation of existence of an epidemicDefining the population at-riskRapid search for all cases & their characteristicData analysisFormulation of hypothesesTesting of hypothesesEvaluation of ecological factorsFuher investigation of population at riskWriting the repo