Tests show high H7N9 antibodies in Chinese poultry workers

Adding to the evidence that poultry are the source of China’s H7N9 influenza outbreak, a serology study in the southern Guangdong province city of Shenzhen found evidence of asymptomatic or mild infections in poultry workers, with levels increasing in the outbreak’s second wave. Researchers, however, found no evidence of infection when they looked at blood samples from the general population. Read More