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Table 5 Results of virus isolation from different swabs collected from principal pigs in MARC-145 cells.

From: Safety of Porcine Reproductive and Respiratory Syndrome Modified Live Virus (MLV) vaccine strains in a young pig infection model

Days of the experiment Nasal swabs Oral swabs Rectal swabs
Group Group Group
A B C D A B C D A B C D
0 0/15a 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15
3 1/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15 0/15
6 1/15 0/15 1/15 2/15 2/15 1/15 3/15 1/15 0/15 0/15 0/15 0/15
7 2/5 1/5 1/5 0/5 1/5 1/5 0/5 1/5 2/5 1/5 1/5 1/5
9 0/10 0/10 0/10 0/10 1/10 0/10 2/10 1/10 2/10 2/10 1/10 1/10
12 0/10 0/10 2/10 0/10 0/10 0/10 1/10 1/10 0/10 1/10 0/10 1/10
14 0/5 0/5 1/5 0/5 0/5 3/5 1/5 0/5 0/5 0/5 1/5 1/5
15 1/5 0/5 0/5 0/5 2/5 1/5 0/5 0/5 0/5 0/5 0/5 0/5
18 0/5 1/5 0/5 0/5 0/5 0/5 0/5 0/5 1/5 0/5 0/5 0/5
21 0/5 0/5 0/5 0/5 1/5 0/5 0/5 1/5 1/5 0/5 0/5 0/5
Total 5/90 2/90 5/90 2/90 7/90 6/90 7/90 5/90 6/90 4/90 3/90 4/90
  1. a Number of positive samples/Number of samples tested.