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ABSTRACT Rocky Mountain spotted fever (RMSF), caused by Rickettsia rickettsii, is a severe and potentially fatal tick-borne disease. In 2015, Mexico issued a declaration of epidemiologic emergency in response to ongoing outbreaks of RMSF in northern Mexico. Sonora state is one of the most heavily impacted states in Mexico, with historic case fatality rates (CFRs) of 18%. We summarized data ...
Jan 4, 2019 · Lassa fever is a hemorrhagic viral disease endemic to West Africa. Usually, each year sees only a smattering of cases reported, but hospitalized patients risk a 15% chance of death. Responding to fears that a 10-fold surge in cases in Nigeria in 2018 signaled an incipient outbreak, Kafetzopoulou et al. performed metagenomic nanopore sequencing ...
Spotted Fever Group Rickettsioses. The SFG rickettsiae are tick-transmitted rickettsioses (table 1).These organisms infect various tick species throughout the world and therefore have a wide geographic distribution. 1 Ticks not only serve as vectors but also serve as reservoir hosts by passing the Rickettsia transstadially (from one life stage to the next) and transovarially (from infected ...
Oct 11, 2021 · The duration for responding to the outbreaks ranged from 15 to 132 days (average 68 days) and a total of 45,648,243 persons aged < 45 years vaccinated through reactive and preventive mass campaigns between September 2017 and September 2019. Conclusions: Nigeria experienced intermediate outbreaks of yellow fever between September 2017 and 2019 ...
Sep 19, 2017 · Global spread of disease is exemplified by the spread of yellow fever from Africa to the Americas, by the spread of dengue fever through transcontinental migration of mosquitos, by the relentless influenza virus pandemics, and, most recently, by the unexpected emergence of Ebola virus, spread by motorbike and long haul carriers.
Aug 10, 2022 · Typhoid fever is also called enteric fever. It is a prospectively, multisystemic illness that has been a public health problem, especially in the developing world. It is caused by Salmonella typhi and Salmonella paratyphi.[1] Enteric fever is a cumulative term that illustrates both typhoid and paratyphoid fever. Paratyphoid is clinically indistinct from typhoid fever; thus, enteric and typhoid ...
Oct 30, 2020 · The recent re-emergence of YFV showed that the majority of the population affected by YF (82.8% during 2017–2018) were male. This population is in an economically active age range [ 12 ] and is composed of residents of rural areas, probably due to work activities and proximity to forest sites, factors that contribute to the exposure of these ...
