Abstract：
:The QBC (quantitative buffy coat) technique was compared with that of the Giemsa-stained thick blood film (GTF) under field conditions in Junlian and Mingshan counties, Sichuan, China, for rapid diagnosis of vivax malaria. Blood samples were collected from 364 volunteer villagers, and each sample was examined with both the QBC and GTF techniques. For each GTF sample (10 microliters of blood), as many as 300 oil-immersion fields were examined; each QBC tube was inspected for up to 5 minutes. The GTF technique resulted in 86 positive blood samples and 278 negative; the QBC technique indicated 89 positive and 275 negative samples. Relative to the results obtained with GTF, the QBC technique had a sensitivity and specificity of 87.2% and 95.0%, respectively; concordance between the tests was 93.1%. The median time-to-positive diagnosis with the QBC technique (1.12 min) was 11% of that with GTF. The distribution of different developmental stages of Plasmodium vivax parasites was also examined in the centrifuged QBC tubes: all stages except schizonts could be found in the lower part of the platelet zone (the interphase between the monocyte and platelet layers), especially ring forms.
journal_name
Bull World Health Organjournal_title
Bulletin of the World Health Organizationauthors
Wang X,Zhu S,Liu Q,Hu A,Zan Z,Yu Q,Yin Qsubject
Has Abstractpub_date
1996-01-01 00:00:00pages
599-603issue
6eissn
0042-9686issn
1564-0604journal_volume
74pub_type
临床试验,杂志文章abstract：:Some recent physiological observations made in Afghanistan, Ceylon and Burma on adults of Anopheles culicifacies and A. aconitus are described. The specimens from Ceylon and Burma, in particular, showed a peculiar physiological process in which, at the beginning of the dry season, the coagulated, dark red, and almost ...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1958-01-01 00:00:00
abstract：:Haematological surveys of adult population samples were conducted simultaneously in 12 countries, all but one of which are in Europe. Haematological estimations on samples from nine of the countries were made in one central laboratory. Differences between countries in the mean levels of haemoglobin (and haematocrit an...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1976-01-01 00:00:00
abstract：OBJECTIVE:To assess the effect of tobacco smoking on the outcome of tuberculosis treatment in Tbilisi, Georgia. METHODS:We conducted a prospective cohort study of adults with laboratory-confirmed tuberculosis from May 2011 to November 2013. History of tobacco smoking was collected using a standardized questionnaire ad...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：10.2471/BLT.14.147439
更新日期：2015-06-01 00:00:00
abstract：:The availability of affordable medicines is a major barrier to providing high-quality health care in many countries. Fatima Suleman talks to Fiona Fleck. ...
journal_title：Bulletin of the World Health Organization
pub_type： 传,历史文章,新闻
doi：10.2471/BLT.17.031217
更新日期：2017-12-01 00:00:00
abstract：OBJECTIVE:To highlight the complications involved in interpreting laboratory tests of measles immunoglobulin M (IgM) for confirmation of infection during a measles outbreak in a highly vaccinated population after conducting a mass immunization campaign as a control measure. METHODS:This case study was undertaken in th...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：10.2471/blt.07.045484
更新日期：2009-02-01 00:00:00
abstract：:There have been 4 waves of imported malaria in the USA. They occurred during the colonization of the country and during the Second World War, the UN Police Action in Korea, and the Viet-Nam conflict. The first 3 episodes are briefly described and the data on imported malaria from Viet-Nam are discussed in detail.Endem...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1974-01-01 00:00:00
abstract：:The use of BCG vaccine in the prevention of leprosy has been one of the most important subjects of investigation in the field of leprology in the last 25 years. The action of the vaccine was for many years investigated by determining its effect on the lepromin reaction. Field studies were later considered essential to...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1970-01-01 00:00:00
abstract：:Intestinal parasitic infections are distributed virtually throughout the world, with high prevalence rates in many regions. Amoebiasis, ascariasis, hookworm infection and trichuriasis are among the ten most common infections in the world. Other parasitic infections such as abdominal angiostrongyliasis, intestinal capi...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1987-01-01 00:00:00
abstract：:Histochemical staining methods for acid phosphatase were used to study the differences among microfilariae of various West African strains of Onchocerca volvulus in both forest and Sudan-savanna onchocerciasis zones. The results have shown statistically significant differences in the staining patterns of microfilarial...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1982-01-01 00:00:00
abstract：:The choice of a specific and pure antigen is one of the many problems in the serodiagnosis of amoebic infection. Microbial associates in amoebic cultures have often given rise to confusing results in these tests. Entamoeba histolytica trophozoites grown axenically provide a useful source of antigen but the axenic medi...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1970-01-01 00:00:00
abstract：OBJECTIVE:To develop a model for identifying areas at high risk for sporadic measles outbreaks based on an analysis of factors associated with a national outbreak in South Africa between 2009 and 2011. METHODS:Data on cases occurring before and during the national outbreak were obtained from the South African measles ...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：10.2471/BLT.12.110726
更新日期：2013-03-01 00:00:00
abstract：:Studies were made on the host-feeding patterns and behaviour of 4 Culex species in China (Province of Taiwan) to further assess their importance as vectors of Japanese encephalitis. A relatively unbiased, non-attractant technique (vacuum sweep-net) was used for collecting mosquitos resting outdoors on rural premises; ...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1973-01-01 00:00:00
abstract：:Registration of births, recording deaths by age, sex and cause, and calculating mortality levels and differentials are fundamental to evidence-based health policy, monitoring and evaluation. Yet few of the countries with the greatest need for these data have functioning systems to produce them despite legislation prov...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：/S0042-96862005000800015
更新日期：2005-08-01 00:00:00
abstract：:Inherited resistance to anticoagulant rodenticides was discovered in populations of Rattus norvegicus about 14 years ago. Similar resistance has now been reported from several countries in north-western Europe and from the USA. In order to detect resistance and to control it effectively, basic data on the susceptibili...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1972-01-01 00:00:00
abstract：:The international unit of colistin methane sulfonate has been defined by collaborative assay as the activity contained in 0.00007874 mg of the international reference preparation. The definition was based on results from 7 laboratories in 5 countries which carried out assays against their existing national standards. ...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1973-01-01 00:00:00
abstract：:A total of 100 male Zambian patients with symptomatic falciparum malaria were treated with either two tablets of mefloquine plus sulfadoxine-pyrimethamine (Fansimef) or three tablets of sulfadoxine-pyrimethamine (Fansidar) as a single dose. The patients were kept under observation from day 0 (day of treatment) to day ...
journal_title：Bulletin of the World Health Organization
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1987-01-01 00:00:00
abstract：:The largest outbreak of poliomyelitis ever recorded in Africa (1093 cases) occurred from 1 March to 28 May 1999 in Luanda, Angola, and in surrounding areas. The outbreak was caused primarily by a type-3 wild poliovirus, although type-1 wild poliovirus was circulating in the outbreak area at the same time. Infected ind...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：2000-01-01 00:00:00
abstract：:Poxvirus antisera adsorbed with "homologous" and "heterologous" poxvirus-infected chorioallantoic membranes (CAM) were differentiated by solid-phase radioimmunoassay (RIA). Mixtures of the antiserum dilutions and infected CAM were added directly (without centrifugation) to poxvirus-infected CAM antigens affixed to wel...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1977-01-01 00:00:00
abstract：PROBLEM:The potential for misidentification of trial participants, leading to misclassification, is a threat to the integrity of randomized controlled trials. The correct identification of study subjects in large trials over prolonged periods is of vital importance to those conducting clinical trials. Currently used me...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：10.2471/blt.06.031070
更新日期：2007-01-01 00:00:00
abstract：:Tuberculin is known to be adsorbed to containers and syringes. In the present paper, the adsorption which takes place in the ampoules has been studied in relation to the diluent for the tuberculin.Adsorption was most evident in dilutions prepared with saline or with phosphate buffer containing dextran. The inclusion i...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1958-01-01 00:00:00
abstract：:This article reviews the development of the WHO project on the histological classification of tumours, which has included the establishment of several collaborating centres and has involved more than 300 pathologists in over 50 countries. The project has resulted in the publication, over the last 14 years, of 25 volum...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1981-01-01 00:00:00
abstract：:Toxorhynchites brevipalpis, a predator on larvae of Aedes aegypti and other mosquitos, was successfully colonized in the laboratory. At 25 degrees C, embryonic development was completed within 50 hours of oviposition, while larval and pupal development together took a further 27-41 days. The adult mosquitos mated in c...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1973-05-01 00:00:00
abstract：:To characterize the epidemiology of dysentery (defined as bloody diarrhoea) in Burundi, we reviewed national surveillance data and conducted a household cluster survey including two case--control studies: one at the household, the other at the individual level. We estimated that community incidences for dysentery (per...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1997-01-01 00:00:00
abstract：:This paper examines two innovative educational initiatives for the Ecuadorian public health workforce: a Canadian-funded Masters programme in ecosystem approaches to health that focuses on building capacity to manage environmental health risks sustainably; and the training of Ecuadorians at the Latin American School o...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：10.2471/blt.07.045393
更新日期：2009-04-01 00:00:00
abstract：:LATEX/IgM, a rapid agglutination test for the semi-quantitative detection of IgM in cerebrospinal fluid of patients with African trypanosomiasis, is described in this article. The lyophilized reagent has been designed for field use and remains stable at 45 degrees C for one year. The test has been evaluated on cerebro...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1998-01-01 00:00:00
abstract：:The risks and expected benefits from iodized oil, given orally or by injection, to pregnant women in areas of severe iodine deficiency where iodized salt is not available were evaluated. The conclusions, which were approved by the International Council for Control of Iodine Deficiency Disorders (ICCIDD), showed that f...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1996-01-01 00:00:00
abstract：:Dengue haemorrhagic fever/dengue shock syndrome (DHF/DSS) is an enigmatic and growing public health problem which is confined at present to countries of South-East Asia. Since 1956, over 350 000 patients have been hospitalized and nearly 12 000 deaths have been reported. Dengue viruses, a group of four flaviviruses, a...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1980-01-01 00:00:00
abstract：:Post-vaccination tuberculin sensitivity is being used to evaluate the immediate effects of the extensive WHO/UNICEF mass BCG vaccination programmes currently in progress. During the past five years the Tuberculosis Research Office has been studying the tuberculin sensitivity produced by BCG vaccination, and the presen...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1955-01-01 00:00:00
abstract：:Haemagglutination and immunoelectrophoresis tests were investigated to find which was more suitable for the immunodiagnosis of amoebiasis. Both tests were positive in more than 90% of sera from patients with amoebic liver abscess. With serum from blood donors and patients with other diseases a much lower percentage of...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1969-01-01 00:00:00
abstract：:Evaluation of disease outcome is central to the assessment of tuberculosis (TB) control programmes. In the study reported in this article we examined the factors influencing the measurement of outcome, survival rates during and after treatment, smear conversion rates, and relapse rates for patients diagnosed with TB i...
journal_title：Bulletin of the World Health Organization
pub_type： 杂志文章
doi：
更新日期：1998-01-01 00:00:00
