Extra measures are being taken this week during an expected surge in visitors across the border for the three-day Labor Day break from Monday to Wednesday . Hong Kong officials step up testing at entry points from mainland China . 124 of Taiwanese expected to travel to Hong Kong for Monday to Wednesday break . Infrared thermometers are used to detect higher temperatures in tourists . Number of infection cases in China is 124 , including 124 in Hong Kong .
Hong Kong officials step up testing at entry points from mainland China . 124 of Taiwanese expected to travel to Hong Kong for Monday to Wednesday break . Infrared thermometers are used to detect higher temperatures in tourists . Number of infection cases in China is 124 , including 124 in Hong Kong .