Because zanamivir is an inhaled medication and has less systemic absorption, some experts prefer zanamivir over oseltamivir for use in pregnant women when feasible.

• 因为扎那米韦是吸入的药物，身体系统吸收的较少，所有如果对孕妇药用可行的话一些专家更倾向于扎那米韦。