May 23, 2013
Translation - bolding is mine
Xinhua Beijing May 23 (Reporter Dong Jun) human infection with H7N9 avian influenza occurred since the veterinary departments at all levels in accordance with the Ministry of Agriculture Animal H7N9 avian influenza surveillance and epidemiological investigation of emergency requires active monitoring program, the current monitoring sampling and laboratory testing work has been basically completed.Monitoring results show that no country was isolated from poultry farms H7N9 avian influenza virus, also found no pigs infected with the virus. According to the Ministry of Agriculture data released on the 23rd, at 22 veterinary laboratories at all levels to complete 899,758 samples were detected, of which 702,369 copies serological samples, etiology sample 197,389 copies. Sample covering 31 provinces and the Xinjiang Production and Construction Corps 42,250 monitoring sampling field point. In this monitoring, 53 were found positive for H7N9 avian influenza virus. Of which 51 were from Shanghai, Anhui, Zhejiang, Jiangsu, Henan, Shandong, Guangdong, Jiangxi, Fujian nine provinces (city) of 18 live poultry business field point poultry and environmental samples; another two positive samples, one from Jiangsu Province, Nanjing pigeons samples, one from Nantong, Jiangsu Hai'an pigeon farmers, the remaining samples were negative. National Avian Influenza Reference Laboratory results showed that the strains isolated from poultry, chicken, ducks showed no virulence. Compared with the H5N1 avian influenza virus, H7N9 avian influenza virus in poultry horizontal transmission capacity is limited.Monitoring results from the current look, from the country more than 30,000 samples of poultry farms all test results were negative and 53 positive samples, 51 were from the live poultry business field point, accounting for 96%. Experts believe that the live animal markets and poultry virus infection is a major source of risk, the current focus on prevention and control of poultry farms is still protected to prevent contamination by the virus.