Table 2.
Detection of type-A influenza virus subtypes by fecal and cloacal swab sampling of shorebirds during am overlapping one week period at Delaware Bay, USA, 2000–2009
| Year | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
|---|---|---|---|---|---|---|---|---|---|---|
| Week of sampling | May 15-21 | May 15-21 | May 15-21 | May 15-21 | May 15-21 | May 15-21 | May 22-28 | May 22-28 | May 15-21 | May 15-21 |
| Total no. subtypes (no. viruses) | 11 (n=60) | 9 (n=77) | 11 (n=88) | 12 (n=47) | 5 (n=34) | 4 (n=49) | 12 (n=73) | 15 (n=48) | 15 (n=84) | 13 (n=68) |
| UGAa total subtypes detected (no. viruses) % subtypes detected | 7 (n=23) 64% | 3 (n=8) 33% | 7 (n=17) 64% | 9 (n=28) 75% | 3 (n=20) 60% | 3 (n=13) 75% | 5 (n=30) 42% | 2 (n=9) 13% | 8 (n=40) 53% | 3 (n=11) 23% |
| SJCRHb % of total subtypes detected (no. viruses) % subtypes detected | 8 (n=37) 73% | 9 (n=69) 100% | 10 (n=71) 91% | 5 (n=19) 42%] | 5 (n=14) 100% | 4 (n=36) 100% | 10 (n=43) 83% | 15 (n=39) 100% | 11 (n=44) 73% | 12 (n=57) 92% |
| No. subtypes/isolate UGA | 0.30 | 0.38 | 0.41 | 0.32 | 0.15 | 0.23 | 0.17 | 0.22 | 0.20 | 0.27 |
| No. subtypes/isolate SJCRH | 0.21 | 0.13 | 0.14 | 0.26 | 0.36 | 0.11 | 0.23 | 0.38 | 0.25 | 0.21 |
a
Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia
b
St Jude Children’s Research Hospital