Japanese health officials reported four confirmed cases of the A/H1N1 virus stemming from an overseas flight, while Australia reported its first case but said the victim has recovered and is no longer contagious.

The reports came as health officials around the world continue to track the spread of the virus, though urgency has ebbed in recent days due to the small number of deaths. The World Health Organization said Sunday that 49 people have died 45 of them in Mexico, two in the U.S. and one each in Canada and Costa Rica. The Associated Press reported Saturday a third death in the U.S., of a man in Washington state.

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