Hong Kong officials step up testing at entry points from mainland China . Millions of Chinese expected to travel to Hong Kong for Labor Day break . Dongguan is a city in the central province on Guangdong . Score: 6 Number of infection cases in China is 124 , including one in Taiwan .
Hong Kong officials step up testing at entry points from mainland China . Millions of Chinese expected to travel to Hong Kong for Labor Day break . Score: 6 Number of infection cases in China is 124 , including one in Taiwan .