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Table 2 Timeframe of PEDV introductions in the pre-intervention period

From: Growing pig incidence rate, control and prevention of porcine epidemic diarrhea virus in a large pig production system in the United States

Previous negative sample Positive sample n % Weeks between samplings
Median (IQR)
Clinical Pre shipment 1 1.03 1
Post placement Clinical 65 67.01 8 (6–11)
Post placement Pre shipment 7 7.22 16 (10–19)
Pre shipment Clinical 6 6.19 2 (2–2)
Pre shipment Post placement 18 18.56 4.5 (4–6)
  1. PEDV Porcine epidemic diarrhea virus, IQR interquartile range