CJCP     2022 24 (8):  874-880    ISSN: 1008-8830  CN: 43-1301/R Co-carriage of Streptococcus pneumoniae and Moraxella catarrhalis among preschool children and its influencing factors DENG Wen-Jun, ZHANG Jing-Feng, LI Ping-Yuan, ZHOU Jun-Li, YAO Zhen-Jiang, YE Xiao-Hua Department of Epidemiology and Health Statistics, School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China Received: 2022-04-26  Revised: null  Online: null Supporting info