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Query: UMLS:C0024530 (malaria)
 44,886 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This paper examines the relationship between monthly Southern Oscillation Index (SOI) and monthly incidences of hemorrhagic fever with renal syndrome (HFRS) and malaria in Anhui Province, China, over the periods 1971-1992 and 1966-1987, respectively. On the basis of monthly data over a 22-year period, results indicated that there were positive and negative relationships, respectively, between the SOI and monthly incidences of malaria and HFRS. The results suggest that the SOI could be used as an index in the study of the association of climate variability with the transmission of such diseases, particularly over larger areas, such as at a provincial or even state level, where averaging rainfall or temperature data across regions is inappropriate.
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PMID:El Nino-Southern Oscillation and vector-borne diseases in Anhui, China. 1601 24

One of the important causes of acute febrile illness in a country where malaria, typhoid and dengue are also not uncommon, leptospirosis, a zoonotic disease spread by rodents, is endemic in Tamil Nadu, Kerala and Andamans; and is now being increasingly reported from other parts of India, perhaps with better facility to diagnose the disease. Disease of profound importance in view of its grave outcome, in its icteric form (Weil's disease), may have a mortality of as high as 40%. Worst prognosticator is the presence of multi-organ failure (MOF), as in any other septicemia. Andaman hemorrhagic fever (AHF), a type peculiar to Andamans, is now being described elsewhere in the country also. IgM ELISA, Dot-ELISA, dip-stick method and slide agglutination test (SAT) are newer screening methods for diagnosis of leptospirosis, but are only genus-specific. Identifying specific serovar is possible by Micro-agglutination test (MAT) and culture method only. Anicteric type of disease, however, is easily treatable with penicillin and has a good prognosis. Oral doxycycline can be used for prophylaxis during the risk of exposure.
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PMID:Leptospirosis--an overview. 1694 24

A DNA array for rapid detection and genotyping of the pathogenic microbes of epidemic hemorrhagic fever, tsutsugamushi disease, leptospirosis, malaria, schistosomiasis, cholera, and hemorrhagic colitis was developed. The specific and relatively conserved PCR primers and DNA probes were screened from the characteristic genes of the pathogenic microbes. The PCR or RT-PCR methods were established for amplifying and labeling the DNA fragments of the pathogenic microbes. All the probes with the same Tm value were synthesized chemically and modified with an NH2 at their 5' terminus, they were printed on glass slides for fabrication of a oligonucleotide DNA array. The developed DNA array could be used for detecting and genotyping the pathogenic microbes simultaneously, and they had a high sensitivity and specificity.
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PMID:Design and development of a DNA array for rapid detection and genotyping of seven kinds of pathogenic microbes. 1619 81

Stroke is one of the leading causes of mortality in Latin America, with variable incidence and prevalence throughout the continent reflecting regional socioeconomic differences. In Latin America, uncontrolled hypertension is one of the major causes of stroke, but other modifiable risk factors also play a role, such as heavy alcohol consumption and smoking. Intracerebral hemorrhage and lacunar stroke are more frequent in Latin America than in North America and Europe. There are multiple causes of stroke that are endemic to Latin America, including neurocysticercosis, Chagas' disease, sickle cell anemia, malaria, hemorrhagic fever, and snake bites.
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PMID:Stroke in Latin America. 1619 41

In the last two decades, all countries in the tropical regions of Latin America have experienced marked increases in the incidence of both classic dengue and dengue hemorrhagic fever. Major risk factors for the occurrence of dengue in the region, as well as some regional peculiarities in its clinical expression, such as the extensive involvement of older age groups, have been defined. While little information exists on the economic impact of dengue in the region in terms of disease burden, the estimated loss associated with the disease is on the same order of magnitude as tuberculosis, sexually transmitted diseases (excluding HIV/AIDS), Chagas disease, leishmaniasis, or intestinal helminths. Therefore, similar priority should be given in the allocation of resources for dengue research and control. Data on cost-efficacy and cost-benefit analysis of dengue control programs in Latin America are scarce; however, the cost per DALY averted by control programs during endemic periods appears low, as compared to other mosquito-borne diseases like yellow fever, leishmaniasis, or malaria. Additionally, the cost-benefit ratio of the control programs has proven to be positive.
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PMID:The health and economic impact of dengue in Latin America. 1730 14

Five aromatic plants, Carum carvi (caraway), Apium graveolens (celery), Foeniculum vulgare (fennel), Zanthoxylum limonella (mullilam) and Curcuma zedoaria (zedoary) were selected for investigating larvicidal potential against mosquito vectors. Two laboratory-reared mosquito species, Anopheles dirus, the major malaria vector in Thailand, and Aedes aegypti, the main vector of dengue and dengue hemorrhagic fever in urban areas, were used. All of the volatile oils exerted significant larvicidal activity against the two mosquito species after 24-h exposure. Essential oil from mullilam was the most effective against the larvae of A. aegypti, while A. dirus larvae showed the highest susceptibility to zedoary oil.
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PMID:Aromatic plant-derived essential oil: an alternative larvicide for mosquito control. 1733 33

U.S. military physicians and researchers have collaborated in the development of eight U.S.-licensed vaccines since 1934, when product efficacy requirements were added to product safety requirements mandated in 1902. These vaccines include influenza (1945), rubella (1969), adenovirus types 4 and 7 (1980), meningococcus A, C, Y, W-135 (1981), hepatitis B (1981), oral typhoid (1989), Japanese encephalitis (1992), and hepatitis A (1995). Current efforts include new adenovirus and Japanese encephalitis vaccines, and vaccines to prevent dengue, diarrhea due to enterotoxigenic E. coli, Campylobacter, and Shigella, malaria, hemorrhagic fever with renal syndrome, scrub typhus, meningococcus type B, and HIV infection. All vaccines currently administered to U.S. military forces must be licensed by the U.S. Food and Drug Administration (FDA).
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PMID:Role of U.S. military research programs in the development of U.S.-licensed vaccines for naturally occurring infectious diseases. 1772 25

A 38 year old patient presented with fever, myalgic abdominal pain, nose bleeding and acute renal failure since five days. A combination of thrombocytopenia, proteinuria, elevated CrP and creatinin is common in hemorrhagic fever with renal syndrome (HFRS) due to Hantavirus infection. The benigne form is called Nephropathia epidemica. Dialysis is infrequently required by patients with the Puumala virus. Other infection (e.g. malaria, leptospirosis, yellow fever) and systemic diseases (e.g. collagenosis or vasculitis) are considered.
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PMID:[Fever, nosebleeding and myalgic abdominal pain]. 1854

This article reviews studies examining the relationship between climate variability and the transmission of vector- and rodent-borne diseases, including malaria, dengue fever, Ross River virus infection, and hemorrhagic fever with renal syndrome. The review has evaluated their study designs, statistical analysis methods, usage of meteorological variables, and results of those studies. The authors found that the limitations of analytical methods exist in most of the articles. Besides climatic variables, few of them have included other factors that can affect the transmission of vector-borne disease (eg, socioeconomic status). In addition, the quantitative relationship between climate and vector-borne diseases is inconsistent. Further research should be conducted among different populations with various climatic/ecological regions by using appropriate statistical models.
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PMID:Climate change and the transmission of vector-borne diseases: a review. 1912

Despite centuries of control efforts, mosquito-borne diseases are flourishing worldwide. With a disproportionate effect on children and adolescents, these conditions are responsible for substantial global morbidity and mortality. Malaria kills more than 1 million children annually, chiefly in sub-Saharan Africa. Dengue virus has expanded its range over the past several decades, following its principal vector, Aedes aegypti, back into regions from which it was eliminated in the mid-20th century and causing widespread epidemics of hemorrhagic fever. West Nile virus has become endemic throughout the Americas in the past 10 years, while chikungunya virus has emerged in the Indian Ocean basin and mainland Asia to affect millions. Japanese encephalitis virus, too, has expanded its range in the Indian subcontinent and Australasia, mainly affecting young children. Filariasis, on the other hand, is on the retreat, the subject of a global eradication campaign. Efforts to limit the effect of mosquito-borne diseases in endemic areas face the twin challenges of controlling mosquito populations and delivering effective public health interventions. Travelers to areas endemic for mosquito-borne diseases require special advice on mosquito avoidance, immunizations, and malaria prophylaxis.
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PMID:Mosquito-borne diseases. 1932 47


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