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Query: UMLS:C0009450 (infectious diseases)
 83,438 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Brucellosis is an important zoonosis throughout the world. Infection is transmitted by the consumption of non-boiled or non-pasteurized milk and milk products such as cheese, cream and butter. The aim of this study was to investigate the presence of Brucella spp. in the fresh cheese samples which were sold at bazaars of district in Sivas center during April, May and June of the years 2003 and 2004. In 3 (7.1%) of 42 cheese samples collected in 2003 and 4 (8.5%) of 47 samples collected in 2004, Brucella spp. were found to be positive. Consequently, since the fresh cheese samples are the most important routes of Brucella transmission, the risk for public health should be well considered.
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PMID:[Short communication: investigation of Brucella in the fresh cheese samples sold at the bazaars of district in Sivas Center, Turkey]. 1612 34

Revision of the protection law for infectious diseases was conducted on 2004, which had been settled on 1999. Practical zoonosis control was one of the hot spot in this revision and policy making was done according to the scientific risk assessment. Thus, the newly settled measure is divided into more complex methods from simple ban or quarantine, to those proportionate to the risk levels. They are importation ban of the risk animals, mooring of wild birds, notification of certain zoonosis from veterinarian, notification with health certification papers for the imported animals, active surveillance and new vector control and so on. Present status, measure and future problems on zoonoses derived from imported animals and vectors are discussed.
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PMID:[Present status, measure and future problems on the zoonoses from imported animals and vectors]. 1636 78

Human have struggled against many infectious diseases such as cholera, plague, dysentery and yellow fever for a long time. And we have spent a lot of energy to control these infectious diseases and developed various tool for them. One of these efforts was Quarantine system that was established in 14th century in Europe. But during recent days, we are suffering from newly emerged diseases. These new infectious diseases are zoonosis and most of them are serious and highly infectious. Viral hemorrhagic fever such as Ebola hemorrhagic fever, Marburg hemorrhagic fever and Lassa fever are typical these emerging serious diseases, and these outbreak always have occurred in Africa and neighboring countries. Fortunately we have never experienced any case, but as these diseases are so serious, we are so nervous diseases entering in Japan. Against these serious diseases, in Japan, Quarantine Station are doing screening examination at airport and port by questionnaire and measuring body temperature, because these viral hemorrhagic fever patients show high fever. If people were suspected viral hemorrhagic fever at Quarantine Station at the border, they will be leaded to hospital for further examination and treatment as soon as possible.
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PMID:[Countermeasure against viral hemorrhagic fever at the border in Japan]. 1636 88

Coxiella burnetii is an obligate intracellular bacterium that causes a worldwide zoonosis, Q fever, and can be misused as a biological warfare agent. Infection in animals (coxiellosis) is mostly persistent. Infection in humans is often asymptomatic, but it can manifest as an acute disease (usually a self-limited flu-like illness, pneumonia, or hepatitis) or as a chronic form (mainly endocarditis, but also hepatitis and chronic fatigue syndrome). C. burnetii infection in pregnant women may result in abortions, premature deliveries, and stillbirths. Infection in nature is maintained and transmitted by ticks as the principal vector and reservoir. Cattle, sheep, and goats are the most important source of human infections. Humans contract C. burnetii infection mostly by aerosol in contact with contaminated environs, wind playing an important factor in spreading the infection. The wide distribution of C. burnetii contributes to a high resistance of its extracellular small cell variant to environmental conditions. Its intracellular large cell variant, adapted to survive under harsh conditions of phagolysosomes, enables long-term survival and persistence of C. burnetii, namely in monocytes/macrophages. Host factors such as underlying disease and cell-mediated immunity play a decisive role in the clinical expression of C. burnetii infection. Complete genome analysis of C. burnetii will certainly contribute to better understanding of the pathogenesis of C. burnetii infection and will improve Q fever diagnosis and immunoprophylaxis.
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PMID:Coxiella burnetii infection. 1648 1

Zoonoses continue to play a signicant role in both human and veterinary medicine. Their eradication is difficult and some authors are convinced of their growing importance. Among the pathogens of infectious diseases transmissible from animals to man are several gram-positive bacteria. The authors focus on three agents that present a risk in three different areas-alimentary infections (Listeria monocytogenes), professional infections (Streptococcus suis) and infections of breeders of so-called pet animals (Staphylococcus aureus and Staphylococcus intermedius). The paper analyses the risk of human infections from animal sources and briefly informs on the present incidence of pathogens in animals and/or raw materials of animal origin in the catchment area of the State Veterinary Institute in Olomouc, Moravia.
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PMID:[Zoonotic importance of selected species of Gram-positive bacteria.]. 1650 5

Brucellosis remains a major zoonosis worldwide; therefore, better understanding of its immunology is a priority for the development of new therapeutic and vaccination strategies. Genetic factors appear to have an important role in the pathogenesis of infectious diseases such as brucellosis. Adhesion molecules, such as members of the selectin family, participate in the interaction between leukocytes and the endothelium, as well as in inflammatory cell recruitment. The impact of L-selectin polymorphisms on brucellosis has not so far been investigated. The aim of this study was to assess an L-selectin Phe206Leu (F206L) polymorphism in patients with active brucellosis, and to analyse its possible relationship with disease progression. A case-control association study was carried out on 619 subjects, including 374 patients with brucellosis and 245 age- and sex-matched healthy controls. Genomic DNA was isolated, and amplification of L-selectin genomic regions was performed by PCR incorporating sequence-specific primers (PCR-SSP) to distinguish the genotypes. The frequencies of the F206L polymorphism were studied. A significant difference in F206L polymorphism was found between patients with brucellosis and controls. The 206Leu allele was more frequent in patients than in healthy individuals (36.6 versus 28 %, P=0.003). In addition, there was an association between the presence of the 206Leu allele and a relapse of brucellosis (odds ratio 6.53, 95 % confidence interval 1.5-28.8, P=0.005). The higher frequency of L-selectin genotypes in patients with brucellosis than in control individuals, as well as the association between the 206Leu allele and the occurrence of brucellosis relapse, suggest that the F206L polymorphism could make individuals more vulnerable to brucellosis.
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PMID:Association between the Phe206Leu polymorphism of L-selectin and brucellosis. 1658 36

Results of the investigation showed that there was a difference in the bacteria isolated from dogs, cats and their living environment. The number and species isolated from the hair and front paw samples from dogs kept outdoors and from cats were greater and more varied than those from the samples from dogs kept indoors. Staphylococcus, Micrococcus and Bacillus were frequently detected from skin surfaces. On the other hand, Escherichia, Pseudomonas, Proteus and others were detected on each sampling area on dogs kept outdoors and on cats. About 60% of the bacteria commonly causes infectious diseases and carries a risk of food poisoning. Moreover, Pasteurella multocida, which causes pasteurellasis, a kind of zoonosis, was isolated from dogs and cats. These pathogenic bacteria were transmitted from animals to humans by direct contact. This result suggests that direct contact with dogs and cats and contact with aerosols can possibly transmit infectious diseases. Most of the isolates (75.9%, 60/79) were resistant to antibacterial agents. We then investigated the effect of household detergents and pet care deodorant sprays containing antibacterial agents on isolates from dogs and cats. They were effective in preventing the transmission of pathogens from dogs and cats to humans.
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PMID:Pathogenic bacteria carried by companion animals and their susceptibility to antibacterial agents. 1663 33

Diagnostics of human granulocytic anaplasmosis. Human granulocytic anaplasmosis is one of recently emerging tick-borne diseases. The paper summarizes current opinions on diagnostics of this zoonosis, including the recent recommendations of ESCAR (European Society of Clinical Microbiology and Infectious Diseases Study Group on Coxiella, Anaplasma, Rickettsia and Bartonella).
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PMID:[Diagnostics of human granulocytic anaplasmosis]. 1683 19

The evolutionary ecology of many emerging infectious diseases, particularly vector-borne zoonoses, is poorly understood. Here, we aim to develop a biological, process-based framework for vector-borne zoonoses, using Borrelia burgdorferi sensu lato (s.l.), the causative agent of Lyme borreliosis in humans, as an example. We explore the fundamental biological processes that operate in this zoonosis and put forward hypotheses on how extrinsic cues and intrinsic dynamics shape B. burgdorferi s.l. populations. Additionally, we highlight possible epidemiological parallels between B. burgdorferi s.l. and other vector-borne zoonotic pathogens, including West Nile virus.
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PMID:Fundamental processes in the evolutionary ecology of Lyme borreliosis. 1689 41

Brucellosis is a worldwide zoonosis. Infection with Brucella species results in the activation of cell-mediated immune response. The interaction between Th1and Th2 cytokines determines the outcome of disease. Production of each cytokine is in turn affected by genetic factors. In this study, we investigated the possible association between Th1 cytokines gene polymorphism and brucellosis. Different genotypes of TNF-alpha, IFN-gamma and IL-2 were determined by polymerase chain reaction-sequence-specific primer in 47 patients with brucellosis and in 166 healthy controls. Allele frequencies of these genotypes were compared using the chi2 test. The results showed a significant difference in the TNF-alpha genotype GG/GG in patients in comparison with controls (76.7% vs. 21%) (P = 0.001, OR = 12.42, 95%CI 5.7-27.7). There was no significant difference in the frequency distribution of the IFN-gamma genotypes between two groups. IL-2 GG genotype at position -330 was about two times more common in cases than in controls, but the difference was not significant (10.6 vs. 4.6 P value = 0.09). This study shows that genetically low producers of TNF-alpha are possibly susceptible to brucellosis and raise doubt about the role of gene polymorphism of INF-gamma in brucellosis which was demonstrated in previous studies. It seems that patients with brucellosis did not have a defect in producing IL-2 with even a trend towards producing higher amounts of this cytokine.
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PMID:Th-1 cytokines gene polymorphism in human brucellosis. 1698 80


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