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Despite its name, Rocky Mountain spotted fever (RMSF) occurs in practically all of the United States and throughout Central and South America. Small-vessel vasculitis can cause serious illness affecting the central nervous system, lungs, heart, kidneys, liver, and spleen; untreated mortality is about 20%. Symptoms (severe headache, chills ...
Abstract. Background and objectives: Rocky Mountain spotted fever (RMSF) is a rapidly progressive and potentially fatal tickborne disease caused by Rickettsia rickettsii. Despite current recommendations and information on the severity of RMSF, studies show that delayed recognition and treatment continues to occur.
Jun 26, 2023 · Rocky Mountain spotted fever (RMSF) is a potentially deadly tickborne disease in the United States. Between 3,000 and 7,000 cases of RMSF and other spotted fever rickettsioses are reported in the United States each year. Some severe infections can lead to lifelong disability and even death.
The Historical Topographic Map Collection, or HTMC, provides a comprehensive digital repository of all scales and all editions of U.S. Geological Survey (USGS) printed topographic maps that is easily discovered, browsed, and downloaded by the public at no cost. In 2011, the USGS National Geospatial Program began publishing scans of 1:250,000 ...
Mar 16, 2021 · Brazil experienced some of the largest outbreaks in its history with yellow fever in 2017 and 2018; this was suggested to have been caused by changing patterns of human behaviour, such as urbanisation and movement, or changes in epidemiology in the sylvatic cycle; however, the full list of causes remains unclear (Couto-Lima et al., 2017 ...
Sep 29, 2021 · African swine fever outbreaks distribution in South Africa from 1993 up to May 2018. Since 1993, DAFF has reported laboratory-confirmed ASF outbreaks to the OIE, with their date (year and month), location (district, province), and number of killed pigs, case morbidity and mortality data. In order to preserve the anonymity of the farm, a jamming ...
May 7, 2020 · For centuries, yellow fever virus infection generated substantial fear among explorers, tourist travellers, workers, military personnel, and others entering areas of transmission. Currently, there is transmission only in some areas of tropical South America and sub-Saharan Africa. When symptomatic, yellow fever infection causes severe liver dysfunction and coagulopathy with elevated mortality ...
