Table 2. Clinical, epidemiological and microbiological features of 31 human cases of Streptococcus suis infection in Phayao Province, 2010.
| No. | Age | Sex | District | Contact with pigs or raw pork products | Consumption of raw pork products | Day of onset | Outcome | Serotype | Pulsotype* | MLST | Possible cluster | ||||
| Consumption | Date | Place | Type of product | ST complex | ST | ||||||||||
| 1 | 41 | M | Muang Phayao | No | Yes | 2 Apr | Home | Loo | 5 Apr | Alive | 2 | A3 | 1 | 1 | PC I |
| 2 | 46 | M | Muang Phayao | No | Yes | 15 Apr | Restaurant A | Loo | 17 Apr | Alive | 2 | A | 1 | 1 | PC I |
| 3 | 72 | M | Muang Phayao | No | Yes | 20 Apr | Restaurant B | Loo | 22 Apr | Dead | 2 | A | 1 | 1 | PC I |
| 4 | 63 | F | Muang Phayao | No | No | - | 28 Apr | Dead | 14 | J | 1 | 105 | |||
| 5 | 51 | M | Muang Phayao | No | No | - | 15 May | Alive | 14 | J | 1 | 105 | |||
| 6 | 52 | M | Dok Khamtai | No | No | - | 24 Apr | Alive | 14 | J | 1 | 105 | |||
| 7 | 50 | M | Chiang Kham | No | Yes | 30 Apr | Home | Boiled intestine | 1 May | Alive | 14 | J | 1 | 105 | PC II |
| 8 | 56 | M | Chiang Kham | No | Yes | 8 May | Restaurant C | Loo | 10 May | Alive | 2 | A | 1 | 1 | PC II |
| 9 | 65 | M | Chiang Kham | No | Yes | 12 May | Restaurant C | Loo | 13 May | Alive | 2 | A2** | 1 | 1 | PC II |
| 10 | 49 | M | Chiang Kham | No | Yes | 12 May | Restaurant C | Loo | 16 May | Alive | 2 | A2** | 1 | 1 | PC II |
| 11 | 26 | F | Chiang Kham | No | Yes | 15 May | Restaurant C | Loo | 17 May | Alive | 2 | A2** | 1 | 1 | PC II |
| 12 | 53 | M | Chiang Kham | No | Yes | 12 May | Home | Lap | 14 May | Alive | 2 | A2 | 1 | 1 | PC II |
| 13 | 59 | M | Chun | No | Yes | 6 May | Home | Lap | 7 May | Alive | 2 | A2 | 1 | 1 | PC II |
| 14 | 57 | M | Chun | No | Yes | 12 May | Home | Fermented raw pork | 14 May | Alive | 14 | J | 1 | 105 | PC II |
| 15 | 54 | M | Chun | No | Yes | 10 May | Home | Fermented raw pork | 14 May | Alive | 14 | J | 1 | 105 | PC II |
| 16 | 45 | F | Pong | No | Yes | 3 May | Home | Fermented raw pork | 10 May | Alive | 14 | J | 1 | 105 | PC II |
| 17 | 72 | F | Dok Khamtai | No | No | - | 10 Jun | Alive | 2 | A1 | 1 | 1 | |||
| 18 | 42 | F | Dok Khamtai | No | Yes | 26 May | Home | Loo | 28 May | Alive | 2 | A1 | 1 | 1 | PC III |
| 19 | 41 | M | Dok Khamtai | No | Yes | 1 Jun | Restaurant D | Loo | 3 Jun | Alive | 2 | A1 | 1 | 1 | PC III |
| 20 | 50 | M | Chun | No | Yes | 1 Jun | Home | Loo | 12 Jun | Alive | 2 | A2 | 1 | 1 | PC III |
| 21 | 60 | F | Chun | Yes | No | - | 19 Jun | Alive | 2 | A2 | 1 | 1 | PC III | ||
| 22 | 52 | F | Muang Phayao | No | No | - | 15 Jun | Alive | 14 | J | 1 | 105 | |||
| 23 | 74 | F | Mae Chai | No | No | - | 20 Jun | Alive | 2 | H | 225 | 104 | |||
| 24 | 69 | F | Mae Chai | No | No | 20 Jul | Dead | 2 | A | 1 | 1 | ||||
| 25 | 66 | M | Dok Khamtai | No | Yes | 2 Jul | Home | Loo | 4 Jul | Alive | 2 | A5 | 1 | 1 | |
| 26 | 55 | M | Chun | No | Yes | 30 Jul | Home | Lap | 1 Aug | Alive | 2 | A2 | 1 | 1 | |
| 27 | 34 | M | Chiang Kham | Yes | Yes | 30 Aug | Home | Loo | 1 Sep | Alive | 2 | H | 225 | 104 | |
| 28 | 36 | M | Dok Khamtai | No | Yes | 11 Sep | Home | Loo | 12 Sep | Dead | 2 | K | 29 | 103 | |
| 29 | 47 | F | Pong | No | Yes | 20 Oct | Restaurant E | Loo | 21 Oct | Alive | 2 | A | 1 | 1 | |
| 30 | 64 | F | Muang Phayao | No | No | - | 23 Nov | Dead | 2 | A1 | 1 | 1 | |||
| 31 | 59 | M | Pong | No | Yes | 5 Dec | Home | Lap | 6 Dec | Alive | 2 | A2 | 1 | 1 | |
Three possible clusters in the district of Muang Phayao (PC I), the districts of Chiang Kham, Chun and Pong (PC II), and the districts of Dok Khantai and Chun (PC III) are shown.
*The pulsotype was designated as previously described [4]. A2**, Serotype 2 with pulsotype A2 was the causative pathogen of a cluster of three cases. MLST, multilocus sequence type; ST, sequence typing.