Based on experience with past pandemics, we expect the H1N1 virus to take on the behaviour of a seasonal influenza virus and continue to circulate for some years to come.

根据以往大流行的经验，我们预计H1N1病毒还会以季节性流感病毒的表现方式出现，并在今后若干年内继续传播。

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Early studies showed that antibodies to H1N1 seasonal influenza did not protect people from infection with the new virus.

早期研究显示，H1N1季节性流感的抗体并不能使人避免感染这一新病毒。

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Since current seasonal influenza vaccines do not contain the pandemic virus, people should be vaccinated against both pandemic influenza and seasonal influenza.

由于当前的季节性流感疫苗不包含大流行性流感病毒，人们应针对大流行性流感和季节性流感两者接种疫苗。

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In Chile and Australia, two countries with many flu cases, she said H1N1 appears to be the dominant strain, "crowding out" the seasonal influenza virus.

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Reports from Mexico that the virus has primarily struck otherwise healthy young adults are alarming because seasonal influenza typically affects the very young and very old.

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