| Authors: |
Meng LL; Office of Research and Teaching Administration, Beijing Center for Disease Prevention and Control, Beijing 100013, China., Zhao D; Department of Immunization, Beijing Center for Disease Prevention and Control, Beijing 100013, China., Wang QH; Department of Immunization, Xicheng District Center for Disease Control and Prevention, Beijing 100120, China., Zhou M; Department of Immunization, Xicheng District Center for Disease Control and Prevention, Beijing 100120, China., Wang T; Department of Immunization, Changping District Center for Disease Prevention and Control, Beijing 102200, China., Zhu ZL; Department of Immunization, Changping District Center for Disease Prevention and Control, Beijing 102200, China., Wang YQ; Department of Immunization, Miyun District Center for Disease Control and Prevention, Beijing 101500, China., Feng Y; Department of Immunization, Miyun District Center for Disease Control and Prevention, Beijing 101500, China., Li XM; Department of Immunization, Beijing Center for Disease Prevention and Control, Beijing 100013, China., Li ZA; Department of Immunization, Beijing Center for Disease Prevention and Control, Beijing 100013, China., Pan JB; Department of Immunization, Beijing Center for Disease Prevention and Control, Beijing 100013, China., Suo LD; Department of Immunization, Beijing Center for Disease Prevention and Control, Beijing 100013, China., Pang XH; Beijing Center for Disease Prevention and Control, Beijing 100013, China., Lu L; Department of Immunization, Beijing Center for Disease Prevention and Control, Beijing 100013, China. |
