As recently as Thursday , the WHO repeated that so far there had been no evidence of sustained human-to-human transmission . Hong Kong officials step up security at entry points from mainland China . Millions of Chinese expected to travel to Hong Kong for Labour Day break . Infrared thermometers are used to detect higher temperatures in tourists . Number of infection cases in China is 124 , including one in Taiwan .
Hong Kong officials step up security at entry points from mainland China . Millions of Chinese expected to travel to Hong Kong for Labour Day break . Infrared thermometers are used to detect higher temperatures in tourists . Number of infection cases in China is 124 , including one in Taiwan .