Shares in Shanghai-based China Eastern and Guangzhou-based China Southern both gained 3% overnight in trading in New York.
FORBES: H7N9 Bird Flu Cases Reach 24, Deaths At 7 In China; Chicken's Off Menus
Shares in Shanghai-based carrier China Eastern plunged 8.3% in Hong Kong on Friday.
FORBES: H7N9 Bird Flu Cases Reach 21 In China; Death Total Unchanged At Six
There have been 14 confirmed infections so far in eastern China, including in Shanghai and Zhejiang province.
In Shanghai, China Eastern Airlines fell 3.3%, Air China lost 3.2% and China Southern Airlines dropped 4.5%.
Based in Shanghai, China Eastern Airlines (CEA, 36) is China's third-largest airline.
The virus, which was found about a week ago in Shanghai, has now infected 28 people, all of them in eastern China.
The human cases of H7N9 have all occurred in eastern China, in Shanghai and its neighbouring provinces of Anhui and Zhejiang.
So far the virus has appeared only in parts of eastern China surrounding Shanghai, where the first human infection was publicly identified Sunday.
Hong Kong health officials said a patient who is being treated there arrived from Mexico on a China Eastern Airlines flight that stopped in Shanghai.
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But China is likely to be cautious in granting Cathay additional flights given opposition from home carriers including Shanghai-based China Eastern Airlines as the fragmented Chinese airline industry consolidates.
Qoros made its debut at the Geneva International Motor Show, and the Chinese-Israeli joint venture plans later this year to release in China and Eastern Europe the first of seven vehicles built at a factory near Shanghai.
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