Still, the death toll on the young was higher than with seasonal flu.

年轻人感染甲型H1N1流感的死亡率高于季节性流感。

youdao

As with seasonal flu, some people will get very sick and some of them will die.

有的季节性流感患者病症特别严重，甚至有的会死亡。

youdao

With seasonal flu, people develop symptoms within about 4 days. However for this new strain of flu, the incubation period may be longer.

伴随季节性流感，人们大概在4天内出现症状。然而对于这一新的流感应变，潜伏期可能会更长。

youdao

Small studies in ferrets at the CDC suggest that when compared with seasonal flu, the virus appears to cause more severe disease but also seems to spread less easily.

CNN: CDC: U.S. may need 600 million swine flu vaccine doses

So far, clinical trials for the H1N1 vaccine have not indicated adverse side effects beyond what are experienced with the seasonal flu vaccine, Sebelius said.

CNN: Report: Swine flu could cause up to 90,000 U.S. deaths

Anybody who has not gotten a H1N1 shot, along with their seasonal flu, I would still advise you to get it, because historically there are two waves of this.

WHITEHOUSE: "White House to Main Street" Town Hall: Elyria, OH