A rare advisory for U.S. travelers to beware of potential terrorist threats in Europe drew American shrugs Sunday from Paris to Rome, but tourism officials worried it could deter would-be visitors from moving ahead with plans to cross the Atlantic.
The travel alert is a step below a formal warning not to visit Europe, but some experts said it could still hurt a fragile European economy already hit hard by the debt crisis.
"I think if someone was looking for an excuse not to travel, then this is just the ticket," said George Hobica, founder of Airfarewatchdog.com. "However, I don't think most people will alter their plans unless the threat is very specific."
The State Department alert advised the hundreds of thousands of U.S. citizens living or traveling in Europe to take more precautions about their personal security. Security officials say terrorists may be plotting attacks in Europe with assault weapons in public places, similar to the deadly 2008 shooting spree in Mumbai, India.
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Without a specific threat, however, American visitors were not letting the alert disrupt their travels.
"We live in New York. So in New York we think about these things all the time," said Richard Mintzer, a 55-year-old American visiting Italy with his wife. "I wouldn't say we are particularly worried in Rome, no more than we would be at home, or anywhere in the Western world."
At Paris' spring-summer 2011 ready-to-wear fashion shows, W magazine fashion market director Karla Martinez said she gets "worried for five minutes, but then I forget about it and get back to the job that I'm here to do.
"It's a little scary when you're staying in a big hotel with lots of tourists, because we hear that could be a target, but I try not to get too worked up about it," she said. "At the end of the day all you can do is keep your eyes and ears open and try not to be naive."
College students alerted
The nonprofit group IES Abroad sent e-mails Sunday warning about 1,500 college students in its European study abroad programs to avoid crowded tourist spots and hangouts typically frequented by Americans. The message - also sent to the students' parents - told students to leave public places if they see signs of trouble.
"We say, 'Be alert, cautious and aware of your surroundings,'" IES executive vice president Bill Hoye said. "It means, 'Don't be totally plugged into your iPod.'"
Hours after the e-mails were sent by the Chicago-based group, it had no sign of any students wanting to drop out of the programs.
The impact on travel could deepen if the threat leads to new, tighter security measures, said Henry Harteveldt, a travel analyst for Forrester Research. But the U.S.-based Air Transport Association, a trade group for the airline industry, said it expects "business as usual."
United, Continental and Delta said they were operating as usual Sunday without any cancellations or delays related to the terror alert. The airlines said customers will be charged the usual penalty if they want to change itineraries.
Kevin Mitchell, chairman of the Business Travel Coalition, said business travelers will likely keep their plans as long as the warning remains "fairly general."
"The biggest impact will be those people who right now haven't yet made their plans," Mitchell said. "They're the ones who will forestall their decision until the situation is a little bit more clear."
Advice: Go, but be careful
The travel alert noted in particular "the potential for terrorists to attack public transportation systems and other tourist infrastructure."
"Current information suggests that al-Qaida and affiliated organizations continue to plan terrorist attacks," it said. "European governments have taken action to guard against a terrorist attack and some have spoken publicly about the heightened threat conditions."
U.S. Sen. Charles Schumer, D-N.Y., stressed to reporters after talking to State Department and Justice Department officials that the alert "means be careful when you go, but they are not advising you not to go."
Britain's Foreign Office on Sunday began warning British travelers to France and Germany that the threat of terrorism in those countries is high. Britain's Home Secretary Theresa May said the threat of terrorism in the U.K. remains unchanged at "severe," meaning an attack is highly likely.
Germany's Interior Ministry said it saw no need to change its assessment of risks to the country and there were "still no concrete indications of imminent attacks" there. France's interior minister said the threat is real but the country is not raising its alert level.
U.S. intelligence officials believe Osama bin Laden is behind the plan to attack several European cities. If true, it would be the most operational role he has played in plotting attacks since Sept. 11, 2001.