Work accident with biological material

This entity denotes an occupational accident involving exposure to biological material, specifically when a worker comes into contact with blood or secretions via the skin, mucous membrane, or sharps injury ^[1]. It is presented in the source material as a reporting concept within occupational surveillance, linked to SINAN-style notification rather than as a standalone infection diagnosis ^[1]. The available metadata also identifies it with ICD-10 code Z57.8 in the provided payload, but no further source-backed clinical characterization is supplied beyond the exposure definition.

The source material does not describe a symptom pattern or clinical syndrome for this event, because it is defined by exposure rather than by illness manifestation ^[1]. The most concrete characteristics available are the circumstances of exposure: contact with blood or secretions through skin, mucous membranes, or sharps injuries ^[1]. In the cited São Luís study, reported circumstances included “other” situations and inadequate disposal on the floor, but the source notes that many fields were blank or ignored, limiting interpretability ^[1]. Source-backed detail on incubation, severity, complications, or outcome is not yet available.

The evidence provided comes from a 2024 descriptive retrospective quantitative study using DATASUS data from São Luís, Maranhão, Brazil, which reported 986 cases of occupational accidents with biological material exposure during 2021 to 2022 ^[1]. In that dataset, the largest proportions were among people aged 20 to 34 years, females, and nursing technicians, with complete secondary education also frequently recorded ^[1]. The study also reports that incomplete notification was substantial, with several variables compromised by blank or ignored entries, which restricts epidemiologic interpretation ^[1]. A separate occupational-safety study in a different workplace context supports the broader view that work accidents are frequent and may relate to worker and environmental factors, but it does not add biological-material-specific burden data ^[2].

This is not described in the sources as person-to-person transmission; rather, the relevant exposure mechanism is occupational contact with biological material ^[1]. The cited framework specifies exposure through broken skin, mucous membranes, or sharp injuries, indicating percutaneous or mucosal contact as the key event ^[1]. Source-backed detail on persistence, infectivity of specific agents, or chain-of-transmission dynamics is not yet available.

The sources most strongly identify workers in nursing technician roles as a frequently affected group in the São Luís dataset, and the largest share of reported cases was among adults aged 20 to 34 years and females ^[1]. Beyond that local profile, the evidence does not support broader claims about universal high-risk groups, so any additional categorization would be speculative ^[1]. The material also suggests that occupational groups with frequent sharps handling or biological-material contact are the most relevant for surveillance, but source-backed detail is limited to the occupations and characteristics actually reported ^[1].

The available sources support prevention at the level of workplace safety, reporting, and protective practices, but they do not provide a full control protocol ^[1][2]. The broader occupational study reports associations between work accident prevention and assurance of health and safety measures, training, and personal protective equipment use ^[2]. For biological-material incidents specifically, the surveillance source emphasizes that these events need to be reported, and the presence of inadequate disposal on the floor in the local study suggests that safe waste handling is a relevant exposure-control concern ^[1].

In surveillance terms, this should be read as an occupational exposure event that is important because it is notifiable and can reflect gaps in workplace protection, training, and safe disposal practices ^[1][2]. The São Luís study also shows that data quality can be a major limitation, since many notification fields were left blank or ignored, reducing the analytic value of routine reports ^[1]. Monitoring should therefore consider both event counts and the completeness of notification, with special attention to exposure circumstances and work-setting context ^[1].

1. 1 Work Accident with Exposure to Biological Material: Epidemiological Profile in São Luís, Maranhão, Brazil. Revista de Gestão Social e Ambiental. 2024. doi: 10.24857/rgsa.v18n10ed.esp-010. DOI: https://doi.org/10.24857/rgsa.v18n10ed.esp-010
2. 2 Analysis Work Accident of Work Accident of Employee Accident in CV. Pasific Harvest Muncar Banyuwangi District. JOURNAL FOR QUALITY IN PUBLIC HEALTH. 2019. doi: 10.30994/jqph.v2i2.39. DOI: https://doi.org/10.30994/jqph.v2i2.39

ICD-10

Z57.8

ICD-11

Total cases

862K

Peak month

2024-04

Coverage

1 reporting countries · 2006-01-01 → 2025-04-01