Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14

Leptospirosis is an infectious disease that causes a fever. It can be severe or fatal. Understanding how many people get leptospirosis helps to determine priorities in allocating resources for disease diagnosis, treatment, and prevention. There are few data about leptospirosis incidence in sub-Sahar...

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Main Authors: Maze, Michael J., Biggs, Holly M., Rubach, Matthew P., Galloway, Renee L., Cash-Goldwasser, Shama, Allan, Kathryn J., Halliday, Jo E. B., Hertz, Julian T., Saganda, Wilbrod, Lwezaula, Bingileki F., Cleaveland, Sarah, Mmbaga, Blandina T., Maro, Venance P., Crump, John A.
Format: Online
Language:English
Published: Public Library of Science 2016
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5135036/
id pubmed-5135036
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spelling pubmed-51350362016-12-21 Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14 Maze, Michael J. Biggs, Holly M. Rubach, Matthew P. Galloway, Renee L. Cash-Goldwasser, Shama Allan, Kathryn J. Halliday, Jo E. B. Hertz, Julian T. Saganda, Wilbrod Lwezaula, Bingileki F. Cleaveland, Sarah Mmbaga, Blandina T. Maro, Venance P. Crump, John A. Research Article Leptospirosis is an infectious disease that causes a fever. It can be severe or fatal. Understanding how many people get leptospirosis helps to determine priorities in allocating resources for disease diagnosis, treatment, and prevention. There are few data about leptospirosis incidence in sub-Saharan African countries. The only mainland estimate is from northern Tanzania for the years 2007–08. To see if leptospirosis incidence had changed since 2007–08, we measured leptospirosis incidence in the same location in 2012–2014. To do this, we systematically approached people at two hospitals in the Kilimanjaro Region and tested them for leptospirosis. We adjusted the number of identified cases of leptospirosis found at the hospitals to account for people with fever who did not come to hospital for testing and care. We also adjusted for imperfect testing methods. We found that the number of people who developed leptospirosis annually had dropped from 75–102 cases per 100,000 people during 2007–08 to 11–18 cases per 100,000 people during 2012–14. Also, the subtype of leptospirosis responsible for the most cases during 2007–08 was not present during 2012–14. The number of people developing leptospirosis was not stable, highlighting the value of measuring how commonly leptospirosis occurs over several years. Public Library of Science 2016-12-02 /pmc/articles/PMC5135036/ /pubmed/27911902 http://dx.doi.org/10.1371/journal.pntd.0005165 Text en https://creativecommons.org/publicdomain/zero/1.0/ This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 (https://creativecommons.org/publicdomain/zero/1.0/) public domain dedication.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Maze, Michael J.
Biggs, Holly M.
Rubach, Matthew P.
Galloway, Renee L.
Cash-Goldwasser, Shama
Allan, Kathryn J.
Halliday, Jo E. B.
Hertz, Julian T.
Saganda, Wilbrod
Lwezaula, Bingileki F.
Cleaveland, Sarah
Mmbaga, Blandina T.
Maro, Venance P.
Crump, John A.
spellingShingle Maze, Michael J.
Biggs, Holly M.
Rubach, Matthew P.
Galloway, Renee L.
Cash-Goldwasser, Shama
Allan, Kathryn J.
Halliday, Jo E. B.
Hertz, Julian T.
Saganda, Wilbrod
Lwezaula, Bingileki F.
Cleaveland, Sarah
Mmbaga, Blandina T.
Maro, Venance P.
Crump, John A.
Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14
author_facet Maze, Michael J.
Biggs, Holly M.
Rubach, Matthew P.
Galloway, Renee L.
Cash-Goldwasser, Shama
Allan, Kathryn J.
Halliday, Jo E. B.
Hertz, Julian T.
Saganda, Wilbrod
Lwezaula, Bingileki F.
Cleaveland, Sarah
Mmbaga, Blandina T.
Maro, Venance P.
Crump, John A.
author_sort Maze, Michael J.
title Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14
title_short Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14
title_full Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14
title_fullStr Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14
title_full_unstemmed Comparison of the Estimated Incidence of Acute Leptospirosis in the Kilimanjaro Region of Tanzania between 2007–08 and 2012–14
title_sort comparison of the estimated incidence of acute leptospirosis in the kilimanjaro region of tanzania between 2007–08 and 2012–14
description Leptospirosis is an infectious disease that causes a fever. It can be severe or fatal. Understanding how many people get leptospirosis helps to determine priorities in allocating resources for disease diagnosis, treatment, and prevention. There are few data about leptospirosis incidence in sub-Saharan African countries. The only mainland estimate is from northern Tanzania for the years 2007–08. To see if leptospirosis incidence had changed since 2007–08, we measured leptospirosis incidence in the same location in 2012–2014. To do this, we systematically approached people at two hospitals in the Kilimanjaro Region and tested them for leptospirosis. We adjusted the number of identified cases of leptospirosis found at the hospitals to account for people with fever who did not come to hospital for testing and care. We also adjusted for imperfect testing methods. We found that the number of people who developed leptospirosis annually had dropped from 75–102 cases per 100,000 people during 2007–08 to 11–18 cases per 100,000 people during 2012–14. Also, the subtype of leptospirosis responsible for the most cases during 2007–08 was not present during 2012–14. The number of people developing leptospirosis was not stable, highlighting the value of measuring how commonly leptospirosis occurs over several years.
publisher Public Library of Science
publishDate 2016
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5135036/
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