其目标是，提供一种能抑制所有季节性和流行性流感病毒的疫苗，像接种麻疹疫苗和小儿麻痹症疫苗那样为人们接种流感疫苗。即使不能保证终生免疫，也要保证在几年内为人类提供保护。

The goal is to provide protection for years, if not a whole lifetime, against all seasonal flu strains and pandemic strains, making flu inoculation much more like that for measles and polio.

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总体上，麻痹性贝毒在粤东海域的分布具有明显的地域性、季节性和贝类种间差异。

As for regional distribution, samples collected from Zhelin Bay had wider toxin profiles and higher toxin concentration.

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