“First, the spring season is usually prone to bird flu. Second, as the average temperature in north and central China is higher than the past, migrant birds may stay longer within the borders of China,” Yin Chengjie was quoted by Xinhua news agency as saying.
“We have successfully stopped the spread of bird flu from migrant birds in Qinghai and Tibet to human beings and domestic poultry. Now, we need to intensify monitoring of bird migration and be on high alert,” he said in comments cited by Reuters on Tuesday.
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photo by Little Jafa