H7N9 sampling study finds temporary benefits for market closures
Temporary poultry market closures can drop environmental levels of H7N9 and other avian flu viruses, but after stalls reopen, contamination quickly returns to preclosure levels, Chinese researchers reported yesterday in Emerging Infectious Diseases.
The study took place in Guangzhou, the largest city in southern China's Guangdong province, during the second wave of human illnesses.