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[Hemorrhagic Rift Valley fever].

A case of fatal hemorrhagic Rift Valley fever during an epidemic in Kenya's North Eastern Province in January 2007 is described.

Rocky Mountain spotted fever.

Rocky Mountain spotted fever (RMSF) is a life-threatening disease caused by Rickettsia rickettsii, an obligately intracellular bacterium that is spread to human beings by ticks. More than a century after its first clinical description, this disease is still among the most virulent human infections identified, being potentially fatal even in previously healthy young people. The diagnosis of RMSF is based on the patient's history and a physical examination, and often presents a dilemma for clinicians because of the non-specific presentation of the disease in its early course. Early empirical tre…

[Q fever: an overview].

Q fever, a zoonosis caused by the gram-negative bacterium Coxiella burnetii, occurs worldwide and affects both humans and animals. Ruminants are considered to be the main source of infection of humans, with the main route of infection being through inhalation of the organism of fine-particle aerosols. Abortion is the main clinical sign in ruminants. During and after abortion, large quantities of the bacterium are shed via the placenta and other vaginal secretions. The bacterium may also be present in faeces and milk. The bacterium can survive for a long time in the environment after shedding a…

Crimean-Congo haemorrhagic fever.

Crimean-Congo haemorrhagic fever (CCHF) is an often fatal viral infection described in about 30 countries, and it has the most extensive geographic distribution of the medically important tickborne viral diseases, closely approximating the known global distribution of Hyalomma spp ticks. Human beings become infected through tick bites, by crushing infected ticks, after contact with a patient with CCHF during the acute phase of infection, or by contact with blood or tissues from viraemic livestock. Clinical features commonly show a dramatic progression characterised by haemorrhage, myalgia, and…

[Q fever--case report].

This work presents a case of Q fever in a 55-year-old man who came back from Lebanon. The dominant symptoms of the disease were fever and dry cough and in physical testing fine rales at the bottom of the right lung. An epidemiologic investigation (a monthly stay in Lebanon) and a serologic testing (indirect immunofluorescence assay) were useful to confirm a diagnosis of Q fever. Moreover the authors of the work paid attention to the differential diagnosis of Q fever and effectiveness of tetracycline in the treatment. The basic methods of the prevention of the disease were also described. In th…

Скалистая горная лихорадка.

Рокки Маунтин пятнистая лихорадка (RMSF) является необычным, но важным дерматологическим состоянием, которое можно идентифицировать без колебаний. Классическая триада головной боли, жара и сыпь, которые начинаются на конечностях и путешествуют проксимально с стволом, обнаруживаются у большинства пациентов. Концентрационная центрипеталлическая модель является результатом клеточной миграции в клетку коративным организмом Рикитсиа рикеттсии. Такие лица должны получать оперативную антимикробную терапию и поддержку во избежание серьезных и потенциально смертельных осложнений.

Совпадение в аннотации оригинала
Rocky Mountain spotted fever (RMSF) is an unusual but important dermatological condition to identify without hesitation. The classic triad of headache, fever, and a rash that begins on the extremities and travels proximally to involve the trunk is found in a majority of patients. The cutaneous centripetal pattern is a result of cell to cell migration by the …

[Acute fever in infants].

The body temperature is influenced among other things by time of day or age and exhibits a Gaussian inter-individual distribution. If measured orally, normal values vary between 35.6 degrees C and 38.2 degrees C. Temperature exceeding the 99th percentile (> 37.7 degrees C) can therefore be interpreted as fever. Nevertheless, an universally accepted definition of fever does not exist. Viral infection is the most frequent cause of acute fever in infants, even in the absence of a source. Bacterial infections are by far a rarer reason. Nevertheless, below the age of 3 years, acute fever is a tickl…

Fever in pulmonary embolism.

This study was planned to investigate the characteristics of clinical and laboratory findings of patients with fever diagnosed as pulmonary embolism (PE) in comparison with PE patients without fever and patients with community-acquired pneumonia (CAP). Thirty-nine PE patients with fever without other identifiable causes (18 received antibiotics and 21 did not receive antibiotics) (study groups) were included in the study. 22 patients with PE without fever and 21 patients diagnosed with CAP were retrospectively selected as control groups. Daily peak body temperature, risk factors for PE, sympto…

Hereditary periodic fever syndromes.

The hereditary periodic fevers are a group of Mendelian disorders characterized by seemingly unprovoked fever and localized inflammation. Recent data indicate that these illnesses represent inborn errors in the regulation of innate immunity. Pyrin, the protein mutated in familial Mediterranean fever, defines an N-terminal domain found in a large family of proteins involved in inflammation and apoptosis. Through this domain pyrin may play a role in the regulation of interleukin (IL)-1beta, nuclear factor (NF)-kappaB, and leukocyte apoptosis. Cryopyrin/NALP3, another protein in this family, is m…

Typhoid and paratyphoid fever.

Typhoid fever is estimated to have caused 21.6 million illnesses and 216,500 deaths globally in 2000, affecting all ages. There is also one case of paratyphoid fever for every four of typhoid. The global emergence of multidrug-resistant strains and of strains with reduced susceptibility to fluoroquinolones is of great concern. We discuss the occurrence of poor clinical response to fluoroquinolones despite disc sensitivity. Developments are being made in our understanding of the molecular pathogenesis, and genomic and proteomic studies reveal the possibility of new targets for diagnosis and tre…

Rift Valley fever virus.

Rift Valley fever is considered to be one of the most important viral zoonoses in Africa. In 2000, the Rift valley fever virus spread to the Arabian Peninsula and caused two simultaneous outbreaks in Yemen and Saudi Arabia. It is transmitted to ruminants and to humans by mosquitoes. The viral agent is an arbovirus, which belongs to the Phlebovirus genus in the Bunyaviridae family. This family of viruses comprises more than 300 members grouped into five genera: Orthobunyavirus, Phlebovirus, Hantavirus, Nairovirus, and Tospovirus. Several members of the Bunyaviridae family are responsible for fa…

Tick-borne relapsing fever.

Tick-borne relapsing fever is characterized by recurring fevers separated by afebrile periods and is accompanied by nonspecific constitutional symptoms. It occurs after a patient has been bitten by a tick infected with a Borrelia spirochete. The diagnosis of tick-borne relapsing fever requires an accurate characterization of the fever and a thorough medical, social, and travel history of the patient. Findings on physical examination are variable; abdominal pain, vomiting, and altered sensorium are the most common symptoms. Laboratory confirmation of tick-borne relapsing fever is made by detect…

[Rift Valley fever virus].

Rift Valley fever virus (RVFV) causes massive mosquito-borne epidemics among humans and decimates ruminants in which the mortality rate is about 1% and 10-30%, respectively. Morbidity in RVFV-infected humans is high largely due to the effects of hemorrhagic fever and encephalitis. This virus is native to sub-Saharan Africa; yet if this virus is introduced into the environment, virus transmission appears to occur whenever sheep and cattle are present with abundant mosquito populations. RVFV is a negative-strand RNA virus which belongs to the family Bunyaviridae, genus Phlebovirus, and contains …