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Medicine Laos @beautylaos.com: Latest medical news from Laos

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Cholera outbreak kills four in southern Laos
Wed, 18 Aug 2010 05:36:51 +0100 | Monsters and Critics Health News
(Source: Monsters and Critics Health News)

Communist Laos approves free health care for tots
Thu, 05 Aug 2010 04:36:50 +0100 | Monsters and Critics Health News
(Source: Monsters and Critics Health News)

Factors affecting compliance with measles vaccination in Lao PDR.
Wed, 04 Aug 2010 23:00:00 +0100 | Vaccine
Authors: Phimmasane M, Douangmala S, Koffi P, Reinharz D, Buisson Y In line with WHO objectives, the Lao Government is committed to eliminate measles by 2012. Yet from 1992 to 2007, the annual incidence of measles remained high while the vaccination coverage showed a wide diversity across provinces. A descriptive study was performed to determine factors affecting compliance with vaccination against measles, which included qualitative and quantitative components. The qualitative study used a convenience sample of 13 persons in charge of the vaccination program, consisting of officials from different levels of the health care structure and members of vaccination teams. The quantitative study performed on the target population consisted of a matched, case-control survey conducted on a str...

Accuracy of Rapid IgM-Based Immunochromatographic and Immunoblot Assays for Diagnosis of Acute Scrub Typhus and Murine Typhus Infections in Laos.
Sat, 31 Jul 2010 23:00:00 +0100 | The American Journal of Tropical Medicine and Hygiene
Authors: Blacksell SD, Jenjaroen K, Phetsouvanh R, Tanganuchitcharnchai A, Phouminh P, Phongmany S, Day NP, Newton PN We studied the diagnostic accuracy of a rapid immunochromatographic test (ICT) for detection of IgM against scrub typhus (ST ICT) and an immunoblot test for the detection of IgM against murine typhus (MT IBT) by using admission serum samples from 1,030 febrile patients in Laos. Sensitivity and specificity for the ST ICT determined by using the diagnostic criteria of a four-fold increase in IgM against Orientia tsutsugamushi between paired samples were 23.8% (95% confidence interval [CI] = 15.9-33.3%) and 86.2% (95% CI = 84.1-88.6%), respectively. Sensitivity and specificity for the ST ICT determined by using an admission IgM titer >/= 1:400 were 39.1% (95% CI = 34.1-...

Laos gold diggers cause mercury contamination
Thu, 29 Jul 2010 06:37:05 +0100 | Monsters and Critics Health News
(Source: Monsters and Critics Health News)

Opisthorchiasis and Opisthorchis-associated cholangiocarcinoma in Thailand and Laos.
Wed, 21 Jul 2010 23:00:00 +0100 | Acta Tropica
Authors: Sripa B, Bethony JM, Sithithaworn P, Kaewkes S, Mairiang E, Loukas A, Mulvenna J, Laha T, Hotez PJ, Brindley PJ Liver fluke infection caused by Opisthorchis viverrini is a major public health problem in Thailand and the Lao People's Democratic Republic (Lao PDR; Laos). Currently, more than 600 million people are at risk of infection with these fish-borne trematodes and/or their close relatives. Opisthorchiasis has been studied extensively in Thailand, where about 8 million people are infected with the liver fluke. Here we review the pathogenesis, control and re-emergence of O. viverrini infection, in particular in Thailand and, to a lesser extent in Lao PDR given the contiguous geographical range of O. viverrini through these two regions. We also review the association of O. v...

Knockdown resistance in Anopheles vagus, An. sinensis, An. paraliae and An. peditaeniatus populations of the Mekong region
Tue, 20 Jul 2010 23:00:00 +0100 | Parasites and Vectors
Conclusions: Different levels of resistance were measured in Laos, Cambodia and Vietnam. The kdr mutation in different Anopheles species seems to occur in the same geographical area. These species breed in open agricultural lands where malaria endemicity is low or absent and vector control programs less intensive. It is therefore likely that the selection pressure occurred on the larval stages by insecticides used for agricultural purposes. (Source: Parasites and Vectors)

Phylogeny and distribution of crested gibbons (genus Nomascus) based on mitochondrial cytochrome b gene sequence data
Tue, 06 Jul 2010 23:00:00 +0100 | American Journal of Primatology
Crested gibbons, genus Nomascus, are endemic to the Indochinese bioregion and occur only in Vietnam, Laos, Cambodia, and southern China. However, knowledge about the number of species to be recognized and their exact geographical distributions is still limited. To further elucidate the evolutionary history of crested gibbon species and to settle their distribution ranges, we analyzed the complete mitochondrial cytochrome b gene from 79 crested gibbon individuals from known locations. Based on our findings, crested gibbons should be classified into seven species. Within N. concolor, we recognize two subspecies, N. concolor concolor and N. concolor lu. Phylogenetic reconstructions indicate that the northernmost species, N. hainanus, N. nasutus, and N. concolor branched off first, suggesting ...

Assessing the development of oseltamivir and zanamivir resistance in A(H5N1) influenza viruses using a ferret model.
Thu, 01 Jul 2010 23:00:00 +0100 | Antiviral Research
Authors: Hurt AC, Lowther S, Middleton D, Barr IG Using an in vivo ferret model, we investigated the development of resistance to oseltamivir and zanamivir for two different influenza A(H5N1) viruses (A/Vietnam/1203/2004, haemagglutinin phylogenetic clade 1, and A/Chicken/Laos/26/2006, haemagglutinin phylogenetic clade 2.3) by treating the animals with doses equivalent either to the recommended human treatment dose or a range of sub-optimal drug doses. No resistance was observed in oseltamivir-treated ferrets, but analysis of nasal washes from zanamivir-treated ferrets infected with influenza A/Vietnam/1203/2004 revealed one viral isolate (from a ferret receiving the highest dose of zanamivir, 1.0mg/kg twice daily) with a zanamivir IC(50) that was 350-fold higher than the other isolate...