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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