Volume 18, Number 11—November 2012
Research
Antigenic Diversity of Enteroviruses Associated with Nonpolio Acute Flaccid Paralysis, India, 2007–2009
Table
Analysis of fecal samples in 2,786 children with AFP and in 780 healthy children for virus growth in RD cells and for viral protein 1 gene RT-PCR, India, 2007–2009*
State/RD cell status | Total no. AFP samples (second samples) |
No. samples used for RNA extraction
|
Total no. (%) RD-positive patients | No. (%) RT-PCR-positive patients/RD-positive or -negative patients | ||
---|---|---|---|---|---|---|
2007 | 2008 | 2009 | ||||
Karnataka | 929 (253) | |||||
Positive |
NA | 51 | 75 | 87 | 213/676 (31.51) | 141/213 (66.2) |
Negative |
NA | 48 | 60 | 32 | 0 | 4/158 (2.5)† |
Healthy children |
NA | 240 | 250 | 290 | 20/780 (2.56)† | 18/20 (90.0)† |
Uttar Pradesh: positive | 1,833 (39) | 129 | 165 | 232 | 526/1,794 (29.32) | 331/526 (62.93) |
Kerala | 334 (18) | |||||
Positive |
NA | 22 | 45 | 17 | 84/316 (26.6) | 60/84 (71.7) |
Negative |
NA | 18 | ||||
Total | 3,096 | 490 | 595 | 676 | 823/2,786 (29.54) | 532/823 (64.64) |
*AFP, acute flacid paralysis; RT-PCR, reverse transcription PCR; NA, not applicable.
†Not included in RD cell–positive or RT-PCR–positive samples from children with AFP.
1These authors contributed equally to this article.
2Current affiliation: University of Horticultural Sciences, Bagalkot, India.