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. Author manuscript; available in PMC: 2017 Jun 13.
Published in final edited form as: Epidemiology. 2017 Jul;28(4):529–536. doi: 10.1097/EDE.0000000000000579

Figure 1.

Figure 1

Trend of simulated exposure over 20 calendar quarters. The exposure prevalence goes from 0% in the first quarter to 5% in the 15th quarter and then goes down to almost 0% in the 20th quarter.