The death toll from H7N9 avian influenza in China has risen to 20, local media report with reference to officials. In addition, four people remain in critical condition.
The total number of bird flu cases in the country has increased to 101. According to experts, there is no epidemiological link between the cases of the disease.
Earlier it was reported that the Russian Service for Consumer Rights and Well-being asked for a strain of bird flu from China for its detailed analysis.