laiv meaning in Chinese

鼻喷雾型减毒佐剂流感病毒活疫苗

A different kind of vaccine , called the nasal - spray flu vaccine sometimes referred to as laiv for live attenuated influenza vaccine is available overseas , but not licensed in hong kong . what is the recommended influenza vaccine composition
疫苗可预防疾病科学委员会建议使用的流感疫苗为北半球地区就二零零六至二零零七年度流感季节所采用的疫苗组合，包括