Volume 22, Number 10—October 2016
Synopsis
Vaccine-Derived Polioviruses and Children with Primary Immunodeficiency, Iran, 1995–2014
Table 2
Patient no. | Report year | Age, mo, at VAPP onset | Virus shedding duration from VAPP onset | iVDPV serotype | VP1 nt divergence, %† | Cleared infection | No. contacts‡ |
---|---|---|---|---|---|---|---|
1 | 1995 | 17.4 | 8 d | 2 | 2.2 | No | 0 |
2 | 2005 | 7.5 | 3 mo | 2 | 1.5 | No | 6 (all negative) |
3 | 2006 | 10.6 | 2 wk | 2 | 1.7 | No | 8 (all negative) |
4 | 2006 | 15.1 | 5 mo | 3 | 2 | Yes | 7 (all negative) |
5 | 2007 | 5.3 | 5 d | 2 | 2 | No | 8 (all negative) |
5 | 2007 | 5.3 | 5 d | 1 | 1.7 | No | 8 (all negative) |
6 | 2007 | 20.2 | 3 d | 2 | 1.2 | Yes | 5 (all negative) |
7 | 2011 | 6.2 | 15 mo | 2 | 2 | Yes | 22 (21 negative; 1: P3 SL) |
8 | 2011 | 15.7 | 3.5 mo | 2 | 3.8 | Yes | 6 (4 negative; 1: P1 SL; 1: P1 SL and P2 SL) |
9 | 2011 | 25.2 | 4 d | 2 | 3.3 | No | 6 (all negative) |
9 | 2011 | 25.2 | 4 d | 1 | 1.6 | No | 6 (all negative) |
10 | 2012 | 6.6 | 1.5 mo | 2 | 2.3 | No | 0 |
11 | 2012 | 11.4 | 2 wk | 2 | 1.5 | Yes | 6 (all negative) |
12 | 2013 | 13.1 | 2 wk | 2 | 0.9 | No | 4 (3 negative; 1: P1 SL) |
13 | 2014 | 10.0 | 2.1 mo | 1 | 1.8 | Yes | 3 (all negative) |
14 | 2014 | 9.0 | 3.3 mo | 2 | 0.6 | Yes | 3 (all negative) |
*iVDPV, immunodeficiency-associated vaccine-derived poliovirus; P1, poliovirus type 1; P2, poliovirus type 2; P3, poliovirus type 3; SL, Sabin-like; VAPP, vaccine-associated paralytic poliomyelitis; VP1, viral protein 1.
†Nucleotide divergence from the prototype Sabin strain.
‡No. contacts investigated for VDPVs. Results are indicated in parentheses.
1These authors contributed equally to this article.
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