Department of Prevention and Health Care, Huangdao Branch, the Affiliated Hospital of Medical College, Qingdao University, Qingdao, Shandong 266500, China;
Department of Laboratory Science of Microbiology, School of Public Health, Shandong University, Jinan, Shandong 250012,China;
Key Laboratory of Experimental Teratology, Ministry of Education, Jinan, Shandong 250012, China;
Department of Laboratory Science of Microbiology, School of Public Health, Shandong University, Jinan, Shandong 250012,China;
Department of Laboratory Science of Microbiology, School of Public Health, Shandong University, Jinan, Shandong 250012,China;
Department of AIDS Prevention and Control Center, Shandong Center for Disease Control and Prevention, Jinan, Shandong 250014, China;
Department of Laboratory Science of Microbiology, School of Public Health, Shandong University, Jinan, Shandong 250012,China;
Department of Laboratory Science of Microbiology, School of Public Health, Shandong University, Jinan, Shandong 250012,China;
Department of Laboratory Science of Microbiology, School of Public Health, Shandong University, Jinan, Shandong 250012,China;
Key Laboratory of Experimental Teratology, Ministry of Education, Jinan, Shandong 250012, China;