An outbreak of Brucellosis via air-born transmission in a kitchen wastes disposing company in Lianyungang, China

[Display omitted] •An outbreak of brucellosis occurred in a company engaged in collecting and disposing of kitchen wastes from catering units in Lianyungang, Jiangsu, China.•The etiological agent of this outbreak was B. melitensis.•Air-born transmission through aerosols from the process of unloading...

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Veröffentlicht in:International journal of infectious diseases 2020-07, Vol.96, p.39-41
Hauptverfasser: Zhang, Tinglu, Liang, Xiaolei, Zhu, Xiaolu, Sun, Hong, Zhang, Shuanglong
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Sprache:eng
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Zusammenfassung:[Display omitted] •An outbreak of brucellosis occurred in a company engaged in collecting and disposing of kitchen wastes from catering units in Lianyungang, Jiangsu, China.•The etiological agent of this outbreak was B. melitensis.•Air-born transmission through aerosols from the process of unloading the food residues and wastes into the feeding inlet in a workshop could play a critical role in this outbreak. Brucellosis is a bacterial zoonotic disease caused by pathogenic Brucella spp. An outbreak caused by B. melitensis at Jinchi Biotechnological Company engaged in collecting and disposing of kitchen wastes from catering units in Lianyungang is reported here. An epidemiological investigation and serosurvey were conducted, and pathogen detection was performed. Three confirmed brucella cases, one probable case and two recessive infectors were found out; the attack rate was 33.3%, the screening positive rate by RBPT was 25.0%. The pathogen was B. melitensis identified from three patients: two for B. melitensis, biovars 1, and one for B. melitensis, biovars 2. The main symptoms included fever, sweating, headache, arthralgia, weakness and chill. The epidemiological investigation found that the transmission mode in this outbreak was air-born transmission through aerosols from the process of unloading the food residues and wastes into the feeding inlet. This outbreak of brucellosis was confirmed with patients’ clinical symptoms, laboratory testing and epidemiological finds. The disinfection and personal protection were complemented by the kitchen wastes disposing company.
ISSN:1201-9712
1878-3511
DOI:10.1016/j.ijid.2020.03.008