所以，如果你有那个基因，并且以前也得过季节性h1n 1流感，那你得本次甲型H1N 1流感并发重症的可能性就小得多了。

So if you have the right genes and you have had seasonal H1N1, you are less likely to get the severe form of flu.

youdao

即使你得的不是重症，你也有可能将流感传染给你的亲人朋友，而他们有可能并发重症。

And even if you only get the mild version yourself, you might infect a family member or friend who then becomes severely ill.

youdao