A Chinese quarantine staff checks the body temperature for a foreign sailor on arrival at the Ningbo seaport in east China's Zhejiang Province on April 28, 2009. [Xinhua]

The body temperatures of passengers are displayed on a mointor screen on their arrival at the Gongbei Customs near Zhuhai city in south China's Guangdong Province on April 28, 2009. [Xinhua]