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10 Steps of an Outbreak Investigation <br />1.Identify investigation team and resources <br />2.Establish existence of an outbreak <br />3.Verify the diagnosis – confirm signs, symptoms, test <br />results <br />4.Construct case definition – unique to outbreak (3 Ps) <br />5.Case finding – active and passive <br />6.Perform descriptive epidemiology– line list and epi <br />curve <br />7.Evaluate hypotheses – agent, source, transmission, <br />exposure <br />8.Implement control measures – prevent further <br />exposure, good balance for credibility and reputation. <br />9.Communicate findings – oral and written <br />10.Maintain surveillance –average of 2 incubation periods