CHINA / SOCIETY By Xu Keyue Published: Jan 30, 2021 05:34 PM Medical workers check COVID-19 screening information at a residential area in Dongchang District of Tonghua, northeast China's Jilin Province, Jan. 25, 2021. Tonghua on Monday launched the third round of citywide nucleic acid testing. (Xinhua/Xu Chang) New local coronavirus infections in Chinese mainland could fall to zero over the next two week thanks to effective and timely epidemic prevention and control measures that includes encouraging people not to travel during the upcoming Spring Festival holiday, said a Chinese researcher. However, the researcher warned the country need to be alert for possible new sporadic cases due to the flow of people and materials especially from overseas.