The Pacific Dawn, operated by P&O Cruises Australia, has been diverted from its normal schedule after test results found that an additional 16 people that came off the ship in Sydney on Monday tested positive for H1N1 swine flu, raising the total infected to 18. 

The ship left Sydney on Monday night on a 10-day voyage with 2,000 new passengers and 600 crewmembers. According to the Sydney Morning Herald, it is now being diverted to Port Douglas in Queensland, where the passengers are due to disembark tomorrow.

The ship originally planned to skip its scheduled stops near the Great Barrier Reef and drop anchor off Willis Island, a small island off the coast of Cairns, to await results of swabs taken from three crewmembers.

According to news reports, the three began showing flu-like symptoms after the ship left Sydney Monday night.

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