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Table 3 Number of turkeys positive for l NDV and LPAIV in oropharyngeal (OP) and cloacal (CL) swabs in single and co-infected groups

From: Virus interference between H7N2 low pathogenic avian influenza virus and lentogenic Newcastle disease virus in experimental co-infections in chickens and turkeys

Virus detected Swab Group Days post inoculation
Day 0 Day 3 1 2 3 4 6 8 10 Totalb
l NDV OP l NDV   10/10 a 10/10 10/10 10/10 4/10 5/10 3/10 52
LPAIV   ND ND ND ND ND ND ND -
l NDV + LPAIV   10/10 10/10 8/10 10/10 0/10 3/10 5/10 46
LPAIV l NDV 8/10 7/10 1/10*** 2/10*** 10/10 10/10* 6/10 44
CL l NDV   1/10 0/10 0/10 1/10 0/10 0/10 0/10 2
LPAIV   ND ND ND ND ND ND ND -
l NDV + LPAIV   3/10 2/10 2/10 2/10 1/10 0/10 0/10 10
LPAIV l NDV 3/10 1/10 0/10 0/10 3/10 3/10 0/10 10
LPAIV OP l NDV   ND ND ND ND ND ND ND -
LPAIV   10/10 10/10 10/10 10/10 10/10 10/10 10/10 70
l NDV + LPAIV   10/10 10/10 10/10 10/10 10/10 10/10 10/10 70
l NDV LPAIV 10/10 10/10 10/10 10/10 10/10 9/9 9/9 68
CL l NDV   ND ND ND ND ND ND ND -
LPAIV   10/10 10/10 10/10 10/10 10/10 10/10 10/10 70
l NDV + LPAIV   9/10 10/10 9/10 10/10 9/10 10/10 9/10 66
l NDV LPAIV 5/10* 9/10 7/10 10/10 10/10 9/9 9/9 59
  1. In groups sequentially infected, the day post-inoculation (dpi) is based on the last virus given.
  2. aNumber of positive birds/total number of birds sampled at each time point.
  3. bTotal number of positive swabs.
  4. ND, No data.
  5. *Significant difference for number of positive turkeys by qRT-PCR compared to single virus infected groups, (*, P < 0.05; *** P < 0.001).