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milk

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发表于 2015-11-11 03:04 | 显示全部帖子
please get your flu shots every year!

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milk

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发表于 2015-11-14 12:08 | 显示全部帖子
回复 3# nmaverick

i get mine every year, they are good for about 6 months.  flu vaccine has different flu strains each year.  They are manufactured based on the most likely circulating strains for the coming season.

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