Tim Sly

Tim Sly
Ryerson University · School of Occup. and Public Health

PhD

About

10
Publications
14,346
Reads
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602
Citations
Introduction
Tim Sly is epidemiologist and currently Professor Emeritus at Sch/ of Occup. and Public Health, Ryerson University, Canada. Teaches two courses a year in research methods to overseas trained physicians, & writes about epidemiology, infectious diseases, risk assessment, and public health. Has undertaken a number of overseas teaching/consulting missions (Brazil, Caribbean Region, Taiwan, Hong Kong, & Philippines). Special interests include food-borne disease epidemiology, H5N1, BSE, SARS, COVID19.
Additional affiliations
September 2002 - present
Ryerson University
Position
  • Professor (Associate)
August 1982 - December 2013
Ryerson University
Position
  • Instructor (1982-85), Professor (1985-2013)
Education
September 1995 - July 1997
Teesside University
Field of study
  • Health Risk Analysis
September 1981 - June 1983
The University of Western Ontario
Field of study
  • Epidemiology and Biostatistics

Publications

Publications (10)
Article
Full-text available
Full text available (PDF) at http://pubs.ciphi.ca/doi/pdfplus/10.5864/d2014-034
Chapter
When conducting a double-blind clinical trial to evaluate a new treatment, the investigator is faced with the problem of what to give the control group. If there is no existing acceptable and beneficial treatment against which the new treatment can be compared, the reasonable approach would be to give the control group no treatment at all, but this...
Article
Accurate estimation of the case-fatality (CF) rate, or the proportion of cases that die, is central to pandemic planning. While estimates of CF rates for past influenza pandemics have ranged from about 0.1% (1957 and 1968 pandemics) to 2.5% (1918 pandemic), the official World Health Organization estimate for the current outbreak of H5N1 avian influ...
Article
Much of the information an environmental health agency provides about health and safety risks is routinely delivered against a background of community disinterest that often approaches apathy. In such instances, the main challenge is to raise awareness and motivate risk-avoidance behavior. At other times, however, public panic, fear, and anger can...
Article
Full-text available
A local public health agency is expected to respond to a wide spectrum of health concerns, the management of which usually requires effective communication of information, and dialogue with concerned communities. Local health departments have not always found this to be a smooth process. This paper begins by reviewing the public's construction and...
Article
When the results of epidemiological enquiries are published, enlightenment is often less than expected. Weak effects, inconclusive associations, other sources of apparent research ambiguity, and contradictions between studies, particularly, have been subjects for media debate and even popular satire. Society questions credibility, regardless of how...
Article
One hundred and sixteen samples of prepared elements of Chinese-style meals were examined for pathogens and other microbiological indicators of poor sanitary preparation. Bacillus cereus was isolated from 9% of samples, while neither Salmonella nor Clostridium perfringens was found. Egg rolls were shown to be supporting high numbers of organisms; t...

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Projects

Project (1)
Project
Desk reference for health/environmental/occupational practitioners, covering quantitative risk assessment, probabilistic risk assessment, and rationale and strategies for effectively communicating/discussing risk among stakeholders, the media, and especially the public.