Professor MATTHEW SMALLMAN-RAYNOR MATTHEW.SMALLMAN-RAYNOR@NOTTINGHAM.AC.UK
PROFESSOR OF ANALYTICAL GEOGRAPHY
Variola minor in coalfield areas of England and Wales, 1921–34: geographical determinants of a national smallpox epidemic that spread out of effective control
Smallman-Raynor, Matthew; Rafferty, S.; Cliffe, Andrew
Authors
S. Rafferty
Andrew Cliffe
Abstract
This paper uses techniques of binary logistic regression to identify the spatial determinants of the last national epidemic of smallpox to spread in England and Wales, the variola minor epidemic of 1921–34. Adjusting for age and county-level variations in vaccination coverage in infancy, the analysis identifies a dose-response gradient with increasing odds of elevated smallpox rates in local government areas with (i) medium (odds ratio [OR] = 5.32, 95% Confidence Interval [95% CI] 1.96–14.41) and high (OR = 11.32, 95% CI 4.20–31.59) coal mining occupation rates and (ii) medium (OR = 16.74, 95% CI 2.24–125.21) and high (OR = 63.43, 95% CI 7.82–497.21) levels of residential density. The results imply that the spatial transmission of variola virus was facilitated by the close spatial packing of individuals, with a heightened transmission risk in coal mining areas of the country. A syndemic interaction between common respiratory conditions arising from exposure to coal dust and smallpox virus transmission is postulated to have contributed to the findings. We suggest that further studies of the geographical intersection of coal mining and acute infections that are transmitted via respiratory secretions are warranted.
Citation
Smallman-Raynor, M., Rafferty, S., & Cliffe, A. (in press). Variola minor in coalfield areas of England and Wales, 1921–34: geographical determinants of a national smallpox epidemic that spread out of effective control. Social Science and Medicine, 180, https://doi.org/10.1016/j.socscimed.2017.03.044
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 21, 2017 |
Online Publication Date | Mar 23, 2017 |
Deposit Date | Mar 23, 2017 |
Publicly Available Date | Mar 23, 2017 |
Journal | Social Science and Medicine |
Print ISSN | 0277-9536 |
Electronic ISSN | 0277-9536 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 180 |
DOI | https://doi.org/10.1016/j.socscimed.2017.03.044 |
Keywords | England and Wales, Binary logic regression, Coal mining, 1921-34 epidemic, Medical geography, Smallpox |
Public URL | https://nottingham-repository.worktribe.com/output/851787 |
Publisher URL | http://www.sciencedirect.com/science/article/pii/S0277953617301995 |
Related Public URLs | https://www.journals.elsevier.com/social-science-and-medicine |
Contract Date | Mar 23, 2017 |
Files
Smallman-Raynor et al. Soc Sci Med 2017.pdf
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