Table 1.
Geographical and temporal distribution of G12 rotavirus strains detected in Sicily from 2012 to 2014
| Location | Year | No. of samples | No. RVA- positive samples (%) | No. RVA typed (%) | No. of G12 strains (%) | VP7 lineage and cluster of G12 strains (n) | VP8* lineage and cluster of G12 strains (n) | Temporal distribution of G12 strains (n) |
|---|---|---|---|---|---|---|---|---|
| Palermo | 2012 | 691 | 240 (34·7) | 185 (77) | 11 (5·9) | IIIb (5) IIIa (6) | P[8]-IIIb (5) P[8]-IIIa (3)‡ | February (4), March (1) September (6) |
| 2013 | 382 | 116 (30·4) | 92 (79) | 0 | − | − | − | |
| 2014 | 194 | 47 (24·2) | 38 (79) | 8 (21) | IIIa (8) | P[8]-IIIa (2) P[8]-IIIc (6) | August (2) October (1), November (5) | |
| Messina | 2012 | 173 | 38 (21·9) | 30 (79) | 6 (20) | IIIa (5) II (1) | P[8]-IIIa (5) P[9] (1) | July (3), August (2) August (1) |
| 2013 | 92 | 10 (10·9) | 9 (90) | 1 (9) | IIIa (1) | P[8]-IIIa (1) | May (1) | |
| 2014 | 79 | 20 (25·3) | 18 (90) | 3 (16·6) | IIIa (2) IIIb (1) | P[8]-IIIc (2) P[8]-IIIb (1) | May (3) | |
| Ragusa | 2012–2013† | 36 | 18 (50) | 18 (100) | 5 (27·8) | IIIa (5) | P[8]-IIIc (5) | March (5) |
| Total | 1647 | 489 (29·7) | 390 (79·8) | 34 (8·7) |
RVA, Group A rotavirus.
†
Samples from Ragusa were collected only from December 2012 to August 2013.
‡
Only three of the six VP7 cluster IIIa rotavirus strains could be submitted to phylogenetic analysis for VP8* due to the limited amount of the original sample and amplified cDNA.