|
China's drug regulator has approved the country's first vaccine that can protect people from four influenza virus strains. 中国药品监管机构近日批准了国内首个能够保护人们不被4种流感病株感染的疫苗。 The four-strain vaccine adds protection against the Yamagata lineage of Influenza B, which was the main virus strain during the last flu season, according to the National Drug Administration of China. 国家药品监督管理局称，这种四价疫苗加入能预防上次流感季中的主要病株B乙型Yamagata流感的抗体。 Two domestic companies -- Hualan and Changsheng -- are the approved vaccine producers. The vaccine may be used on adults and children aged three years and above. 华兰和长春两家国内公司获批成为这种疫苗的生产商。该疫苗或适用于成年人及3岁以上的儿童。 | 
