A significant number of H7N9 avian flu cases reported across the border has prompted the SAR government to hold a cross-departmental meeting this week to discuss measures to keep the threat at bay, said health chief Ko Wing-man.Heyuan city in Guangdong reported its first case of H7N9 this year while Beijing reported its first imported case. The total number of cases in Guangdong reportedly grew t… A significant number of H7N9 avian flu cases reported across the border has prompted the SAR government to hold a cross-departmental meeting this week to discuss measures to keep the threat at bay, said health chief Ko Wing-man.