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Table 1 Summary data of cases, dates of symptom onset, times to treatment, numbers of contacts, and estimated secondary cases in the absence of treatment.

From: Assessing the role of contact tracing in a suspected H7N2 influenza A outbreak in humans in Wales

Case Date of symptom onset (days after May 1st) Days between appearance of symptoms and treatment Number of contacts identified Estimated secondary cases in the absence of treatment
    Home Work Other  
1 11 13 3 4 69 1.1
2 17 7 1 2 4 0.3
3 18 6 3 1 4 0.5
4 20 4 4 3 5 0.8
5 21 3 4 14 53 2.1
6 22 3 2 1 0 0.3
7 22 7 3 1 0 0.4
8 23 3 3 23 29 2.7
9 25 0 1 14 13 1.5
10 26 0 1 0 2 0.1
11 26 1* 4 0 3 0.5
12 28 1 2 0 0 0.2
13 28 0 3 0 0 0.3
14 28 0 2 0 0 0.2
  1. *prophylaxis was contraindicated in this individual; symptoms were identified 1 day after appearance and the individual ceased social activities at this point.