Emergency Response to the Animal H7N9 in China Dr. Chen guosheng - - PowerPoint PPT Presentation
Emergency Response to the Animal H7N9 in China Dr. Chen guosheng Division Director, Bureau of Veterinary Ministry of Agriculture, the Peoples Republic of China 2013.08.13 Outline Situation on Prevention and Control of H7N9
Division Director, Bureau of Veterinary Ministry of Agriculture, the People’s Republic of China 2013.08.13
The first human case was confirmed on March 31 The first positive animal sample was found in a LBM on April 4 The emergency response status has returned to normal control status in animal population The human cases are in a state of scattered distribution
So far, 134 human cases were confirmed, with 43 dead and 4 cured.
A joint working mechanism for H7N9 prevention and control was established at the central level among 16 departments, and also at local government level. Rapidly launch the joint prevention and control mechanism MOA issued an announcement to temporarily uplift the H7N9 AIV into the list of Class A Animal Diseases. (Guideline)
Comprehensive emergency surveillance
From May 23 to July 30, totally 325,220 samples were tested, including serological samples(171373 ) and pathological samples(153,847)
AQSIQ
Hongkong
NHFPC
H7N9 virus has been only detected in chicken, duck and pigeon. Limited extent of infection. H7N9 positive samples were found from 18 LBM of 7,264 markets that have been sampled (0.25%). Samples have been collected from 30,382 poultry farms in 31 provinces, but no confirmed positive results from pathogen samples.
The MOA’s Announcement (No. 1919) Animal H7N9 Emergency Response Guideline.
close the market
Yangtze Delta Area Emergency Investigation Market-Chain Analysis
No association between human H7N9 cases and the structure of poultry production
LBMs play a significant role in the propagation and spread of H7N9 AIV
The transportations of live birds play an important role in the spread of H7N9 AIV
Province City Date of LBMs Closure
Shanghai Municipality 2013/4/6 Jiangsu Province Nanjiang, Shuqian, Suzhou, Wuxi, Zhenjiang, Yangzhou, Suzhou, Yancheng 2013/4/6 Zhejiang Province Huzhou, Hangzhou, Wenzhou, Jiaxing, Shaoxing 2013/4/15 Henan Province Kaifeng, Zhoukou, Zhengzhou 2013/4/14 Shandong Province Zhaozhuang 2013/4/23 Fujian Province Longyan, Fuzhou 2013/4/29 Jiangxi Province Nanchang 2013/4/26
Epidemiological curve of human cases in Shanghai and Zhejiang
For provinces with human cases and H7N9 virus detected from animal and environment samples, following supervision measures were enforced:
Timely information release
Joint investigation with FAO-
ECTAD China Office
OIE experts’ ’ field visit on field visit on H7N9 in China H7N9 in China
Sharing the experience with relevant international Org. and relevant international Org. and countries. countries.
Tech.& Policy Discussion on the Prev. Tech.& Policy Discussion on the Prev. and Cont. of H7N9 in Asia and Cont. of H7N9 in Asia (24 (24-
25 June 2013, Bangkok Thailand )
The study on H7N9 strains and their pathogenic character is still ongoing. Implementing the plan for animal H7N9 surveillance the revised scheme. All level vet. labs are continuously conducting surveillance and early warning tasks. Re-opening LBMs based on standardized management Scientific prevention and control as important as stabilizing the poultry industry.
(FAO-MOA, China)