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  The National Health Laboratory Service’s (NHLS) Institute for Occupational Health (NIOH), is recognised internationally for excellence in research, services and training to support occupational health services not only in South Africa but also in Southern Africa through its extensive outreach activities and collaborations.
  
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- OVERVIEW
  The NIOH provides cost effective occupational health services to national and provincial government departments as well as support for occupational health and safety inside the NHLS. This support work has included advice to regulatory authorities, employers, unions and individual employees.
  
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- Diploma In Occupational Health (DOH)
  The Wits School of Public Health, in association with the National Institute for Occupational Health, offers a Diploma in Occupational Health (DOH) over two years part-time. The diploma is for medical doctors in possession of a MBChB, MBBCh or equivalent.
  
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- EPI STATA
  The epidemiology and surveillance unit provides training on a well recognised data analysis software package STATA (stata corp). STATA is increasingly used in academic settings and those areas where flexibility in analysis is necessary.
  
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- DPH/MPH Occupational Hygiene
  The Wits School of Public Health, in association with the National Institute for Occupational Health, offers a Diploma and Masters degree in Occupational Hygiene over two or three part time years with a new intake of students every second year.
  
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