HONOLULU -- A plane arriving from Tokyo was quarantined in San Jose, Calif. Tuesday because people onboard showed symptoms of the mystery flu known as SARS. Hawaii state officials said they're prepared should a similar thing happens.

The disease has killed more than 60 people around the world.

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Ambulances stood by to speed to the hospital two crewmembers and two passengers suffering from the symptoms like those of Severe Acute Respiratory Syndrome or SARS. Others on the plane were given medical service and allowed to leave.

Hawaii State Health Officials said with dozens of planes arriving here from Asia daily, they are prepared for suspected SARS infected passengers.

"A similar procedure would occur here at this airport if the airport was notified that the plane was carrying very ill patients," state health director Dr. Chiyome Fukino said.

The Health Department said there are no confirmed cases of SARS in Hawaii. There are only five suspected illnesses in the islands -- all of which the patients have recovered from.

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"We are doing active surveillance to 45 sites around the state every day. We are doing very thorough investigations of those cases when they are reported to us and we are monitoring those individuals contacts," state epidemiologist Dr. Paul Effler said.

Cards are passed out at Honolulu International Airport to warn travelers of SARS-like symptoms to watch for.

Hawaii visitor industry executives hope everything possible is being done to keep SARS out of here.

"We just don't want to be in the position where an island state like Hawaii becomes the capital of this particular disease because it would absolutely devastate our tourism economy," said Rex Johnson of the Hawaii Tourism Authority.

The Health Department is recommending that Hawaii residents postpone non-essential trips to SARS infected areas until further notice.