Table 1 PCV2 infections in Yunnan from 2016 to 2019
Geographic origin | Positive samples/total samples | Total | Positive rate (%) | |||
|---|---|---|---|---|---|---|
2016 | 2017 | 2018 | 2019 | |||
Kunming | 6/10 | 17/27 | 13/16 | 8/17 | 44/68 | 64.71 |
Qujing | 3/8 | 19/30 | 19/29 | 10/15 | 51/82 | 63.20 |
Yuxi | 0/1 | 5/12 | 5/7 | 1/1 | 11/21 | 57.14 |
Lijiang | – | 2/3 | 4/7 | – | 6/10 | 60.00 |
Dali | – | 4/7 | 1/1 | – | 5/8 | 62.50 |
Xishuangbanna | – | 7/13 | – | 2/2 | 9/15 | 60.00 |
DeHong | 4/6 | 13/27 | 5/8 | – | 22/41 | 53.65 |
HongHe | 2/2 | 3/5 | 11/20 | – | 16/27 | 59.26 |
Chuxiong | – | 1/2 | – | 1/1 | 2/3 | 66.67 |
Wenshan | – | – | 3/5 | 1/2 | 4/7 | 57.14 |
Total | 15/24 | 71/126 | 61/93 | 23/36 | 170/279 | / |
Positive rate (%) | 62.50 | 56.35 | 65.59 | 63.89 | 60.93 | / |