Epidemiological investigation and infection route analysis of two psittacosis outbreaks in Shenzhen

doi:10.19871/j.cnki.xfcrbzz.2023.04.008

Electronic Journal of Emerging Infectious Diseases ›› 2023, Vol. 8 ›› Issue (4): 36-40.doi: 10.19871/j.cnki.xfcrbzz.2023.04.008

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Epidemiological investigation and infection route analysis of two psittacosis outbreaks in Shenzhen

Liu Wei^1,2, Wan Jia¹, Chen Yixiong³, Duan Lina⁴, Xu Zhongliang⁵, Huang Yucheng⁶, Gao Shitong¹, Zhang Zhen¹, Kong Dongfeng¹

1. Department of Communicable Disease Control and Prevention, Shenzhen Center for Disease Control and Prevention, Guangdong Shenzhen 518055, China;
2. Department of Preventive Medicine, School of Medicine, Hunan Normal University, Hunan Changsha 410013, China;
3. Department of Communicable Disease Control and Prevention, Shenzhen Baoan Center for Disease Control and Prevention, Guangdong Shenzhen 518101, China;
4. Department of Emergency and Primary Operations Management, Shenzhen Futian Center for Disease Control and Prevention, Guangdong Shenzhen 518040, China;
5. Department of AIDS Prevention and Control, Shenzhen Nanshan Center for Disease Control and Prevention, Guangdong Shenzhen 518054, China;
6. Department of Emergency and Communicable Disease Prevention, Heyuan Center for Disease Control and Prevention, Guangdong Heyuan 517001, China

Received:2023-05-27 Online:2023-08-31 Published:2023-09-26

Abstract

Abstract: Objective To analyze the epidemiological characteristics and influencing factors of two psittacosis outbreaks in Shenzhen, and to provide scientific basis for formulating prevention and control measures. Method The data of two outbreaks of psittacosis in Shenzhen were collected by field epidemiological method, and the incidence and epidemiological characteristics were analyzed by descriptive epidemiological method. Result There were two outbreaks of human infection with chlamydia psittaci in Baoan District and Futian District of Shenzhen in 2023, with a total of two cases and no death. The two cases were all home-raised parrots, with symptoms such as fever and limb muscle soreness, the exposure time was 15 days and 33 days, respectively. The investigation of co-exposed persons showed that no infection occurred in the occupational population of pet shop birds (0/13), and there were two cases of fever and muscle soreness in the non-occupational population such as family members or friends, but sampling was refused. The positive rate of chlamydia psittaci in external environment was 58.0% (29/50). Conclusion Chlamydia psittaci infection is an occasional infection. Long-term unprotected close contact is the main mode of infection, and no human-to-human transmission has been found. In order to prevent and control psittacosis, it is suggested to strengthen the environmental and related population health monitoring.

Key words: Psittacosis, Chlamydia, Fever, Epidemiological investigation, Infection path, Shenzhen

CLC Number:

R183.5

Liu Wei, Wan Jia, Chen Yixiong, Duan Lina, Xu Zhongliang, Huang Yucheng, Gao Shitong, Zhang Zhen, Kong Dongfeng. Epidemiological investigation and infection route analysis of two psittacosis outbreaks in Shenzhen[J]. Electronic Journal of Emerging Infectious Diseases, 2023, 8(4): 36-40.

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Epidemiological investigation and infection route analysis of two psittacosis outbreaks in Shenzhen

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