In response to the positive cases, rules have been adjusted for people crossing the border between Zhuhai and the Macao Special Administrative Region. Zhuhai and Macao authorities have decided that apart from drivers of lorries or trucks delivering essential goods between the two cities, from 6 a.m. August 4th, all people crossing the border must produce proof of a negative nucleic acid test issued within 12 hours. All other virus protection measures remain unchanged.