The firm's revenue growth in the second quarter so far is in line with its previous forecast of 10 to 15 percent, Jane Sun, the firm's chief financial officer, said at the Reuters Global Technology Summit in Shanghai.

"If GDP expands by 8 percent this year, we are confident of meeting our growth projection. But if the economy slips and swine flu spreads, the situation would be out of our control," Sun said.

Ctrip's first-quarter profit beat Wall Street expectations, helped by a 9 percent rise in hotel reservation revenue.

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