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May 15, 2024 · At a glance. Spotted fever rickettsiosis (SFR) annual reported cases 2000-2021. Historical trends of SFR. Seasonality of SFR. States reporting SFR. People at risk of SFR.
Aug 11, 2005 · Such is the case with Rocky Mountain spotted fever, which is still one of the most virulent human infections ever identified.
- J. Stephen Dumler, David H. Walker
- 2005
- Abstract
- Introduction
- The Effect of Climate and Other Environmental Changes
- Increased Tick-Borne Diseases in Canada
- Public Health and Clinical Strategies
- Discussion
- Authors’ Statement
Climate warming and other environmental changes have contributed to the expansion of the range of several tick species into higher latitudes in North America. As temperatures increase in Canada, the environment becomes more suitable for ticks and the season suitable for tick activity lengthens, so tick-borne diseases are likely to become more commo...
Ticks transmit a wide diversity of bacterial, viral and protozoan pathogens in many tropical and temperate regions of the worldFootnote 1. Of particular concern in North America are the blacklegged ticks that transmit Borrelia burgdorferi, the bacterium that causes Lyme disease (LD) in southern parts of central and eastern CanadaFootnote 2. It is n...
Climate and other environmental changes are expected to increase the risk of ticks and TBDs in a number of ways. The prevalence, activity and range of a variety of ticks and the pathogens they carry are expected to increase. This is due to changing weather that also causes an increase in the range of animal reproductive and reservoir hosts. Humans ...
Lyme disease is the most common and well-known tick-borne disease in Canada. At least four other (non-LD) TBDs are emerging in Canada and these are anticipated to increase due to the effects of climate change: Anaplasmosis; Babesiosis; Powassan virus; and Borrelia miyamotoidisease.
A key public health activity to address TBDs is surveillance. Detection of ticks, reporting of human cases and maintenance of accurate information on the overall risk of human exposure to ticks and their associated tick-borne pathogens are necessary to inform clinical care and public health actionFootnote 45. Currently, active and passive tick surv...
In Canada, an ongoing process of emergence and spread of ticks and TBDs is anticipated in localities where climate, weather and habitat favor ticks and transmission cycles of tick-borne pathogens. It is important to note, however, that the relationship between tick-borne diseases and climate is not linear. There are modifiable risk factors that wil...
The authors would like to thank the anonymous reviewers and editorial staff of the Canada Communicable Disease Reportwho provided helpful suggestions that greatly improved the quality of this manuscript. 1. CB — Conceptualization, writing: original draft, review and editing 2. AD — Writing: original draft, review and editing 3. JK — Writing: origin...
Rocky Mountain spotted fever (or "black measles" because of its characteristic rash) was recognized in the early 1800s, and in the last 10 years of the 1800s (1890–1900) it became very common, especially in the Bitterroot Valley of Montana.
Jul 17, 2023 · Rocky Mountain spotted fever (RMSF) is an acute febrile tick-borne illness caused by Rickettsia rickettsii. In North America, it is both the most severe and the most common rickettsial infection. Without prompt antibiotic treatment, mortality rates are as high as 20 to 30 percent.
- Jessica Snowden, Kari A. Simonsen
- 2023/07/17
Sep 13, 2017 · • Identify clinical presentation and diagnosis of Rocky Mountain spotted fever (RMSF) in patients with rapidly progressing febrile illness and recent exposure in northern Mexico, based on a series of 4 fatal cases.
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This Review explores the history of Rocky Mountain spotted fever in Mexico, current epidemiology, and the multiple clinical, economic, and social challenges that must be considered in the control and prevention of this life-threatening illness.
