Table 4.
Number of human H7N9-cases before and after LPM closure (qualitative studies)
| Study | Intervention | Location | Date of implementation | Data collection period before and after the intervention | npre | npost | Source of epidemiological data |
|---|---|---|---|---|---|---|---|
| (Murh ekar et al., 2013) | Closure of LPMs and sale spots; culling of all live birds in wLPMs; safe disposal of culled birds, excreta, feed and water; C/D of materials, transportation tools and market environment | Shanghai | on April 6th, 2013 |
before: February 19th – April 6th after: April 7th – May 2nd |
25 |
6 last case onset: April 13th, 2013; |
Not reported |
| Zhejiang province (including Hangzhou, Huzhou and Jiaxing) | between April 11th and 19th, 2013 |
before: March 7th – April 11th after: April 12th– May 2nd |
24 |
22 last case onset (Zhejiang/Jiangsu): April 17th, 2013. |
|||
| Jiangsu province (Nanjing, Suzhou, Wuxi and Zhenjiang) | between April 8th and 10th, 2013 |
before: March 8th– April 8th after: April 9th– May 1st |
21 | 4 | |||
|
| |||||||
| (Han et al., 2013) | Sequential closure of 139 LPMs | Huzhou | between April 11th and April 21st, 2013 |
before: March 5th– April 11th after: April 22st– May 13th |
7 during closing period: 5 |
0 last case: May 15th |
Laboratory-confirmed H7N9-cases according to the definition in the Chinese MoH guidelines |
|
| |||||||
| (He et al., 2014) | Temporary closure of 464 LPMs, C/D, ban on poultry import | Shanghai | on April 6th, 2013 |
before: February 12th– April 6th, 2013 after: April 7th– May 10th, 2013 |
29 Control provinces: 34 |
1st incubation period: 4 2nd incubation period: 0 Control provinces: 1st incubation period: 31 2nd incubation period: 13 |
Confirmed H7N9-cases; source not reported |
| Second LPM closure | on January 31st, 2014 |
before: early January– January 31st, 2014 after: February 1st– September 2014 |
8 | 0 | |||
|
| |||||||
| (Xiang et al., 2013) | LPM closure | Shanghai | on April 6th, 2013 |
before: 1–7 days before LPM closure after: 1–7 or 8–14 days after LPM closure |
11 (14% of all PUE-cases) |
1–7 days after: 4 (2% of all PUE-cases) 8–14 days after: 1 (1% of all PUE-cases) |
National PUE surveillance system |
| Nanjing | on April 8th, 2013 | 5 (71% of all PUE-cases) |
1–7 days after: 0 (0% of all PUE-cases) 8–14 days after: 1 (100% of all PUE-cases) |
||||
| Hangzhou | on April 15th, 2013 | 15 (25% of all PUE-cases) |
1–7 days after: 4 (12% of all PUE-cases) 8–14 days after: 0 (0% of all PUE-cases) |
||||
| Provinces combined | 31 (21% of all PUE-cases) |
1–7 days after: 8 (4% of all PUE-cases) 8–14 days after: 2 (2% of all PUE-cases) |
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npre= number of H7N9-cases during the time period before the intervention
npost= number of H7N9-cases during the time period after the intervention
LPM= live poultry market
wLPM= wholesale live poultry market
C/D= cleaning and disinfection
MoH= Ministry of Health
PUE= pneumonia of unknown etiology