A medical worker takes a swab sample from a man for nucleic acid test at a residential area in the border city of Manzhouli in North China’s Inner Mongolia autonomous region, Dec 4, 2021. [Photo/Xinhua] HOHHOT — The border city of Manzhouli in North China’s Inner Mongolia autonomous region reported five confirmed locally transmitted COVID-19 cases from 12 am to 2 pm on Sunday, local authorities said.…