Like many other countries, Japan has reported mild flu cases and no deaths.

如同众多其它出现问题的国家一样，日本报导道流感是轻微的而且没有出现死亡的病例。

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Like routine human flu, cases of swine flu can range from mild to severe.

同普通的人流感一样，猪流感病情也有从轻微到严重之分。

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Johnson said there would inevitably be more potential cases and anyone entering the country with flu-like symptoms would be examined "very, very quickly".

约翰逊表示不可避免可能还有潜在的病例，入境的任何有流感症状的人将接受快速的检查。

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Here in Juarez, people with flu-like symptoms have formed long lines outside of some clinics and hospitals, even though there have been no confirmed cases of swine flu here.

VOA: standard.2009.04.30

And in the segments of the population that are most susceptible to the extreme effects of the flu -- like the elderly, who make up the majority of the cases of flu-related deaths -- the vaccinations are even less effective.

CNN: Flu vaccine attitudes abroad differ from U.S.

Ostroff says it may be because American doctors are counting milder cases, which appear more like a bad flu and less like pneumonia.

FORBES: Magazine Article

Although, in most cases, it causes little more than severe flu-like symptoms, occasionally there can be complications including inflammation of the lining of the heart.

BBC: Cull workers struck by rare fever