Journal of hygiene, epidemiology, microbiology, and immunology最新文献

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Human ecology and parasitic infections. 1. The effect of occupation on the prevalence of parasitic infections in Calabar, Nigeria. 人类生态学与寄生虫感染。1. 占领对尼日利亚卡拉巴尔市寄生虫感染流行率的影响。
G C Ejezie, I F Akpan
{"title":"Human ecology and parasitic infections. 1. The effect of occupation on the prevalence of parasitic infections in Calabar, Nigeria.","authors":"G C Ejezie,&nbsp;I F Akpan","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>One thousand six hundred people belonging to three different occupational groups were randomly selected. Blood, urine and stool specimens were collected from them and processed for the detection of any parasitic infections. The results show 28.5% infection rate with one or more species of intestinal parasites; 50.7% in the school children, 17.3% among the farmers, and 12% among the soldiers. Results of blood examination showed 5.3%, 8.0% and 2.0% infection rates for P. falciparum in the school pupils, farmers and soldiers respectively, while 31.3% of the three groups were infected with the microfilaria of Dipetalonema perstans, and Loa loa. These were found in 60.7% of the farmers and none at all in the other two groups. Urine examination yielded no positive cases of urinary schistosomiasis and only one case of Trichomonas vaginalis. These results reflect the endemicity of the respective parasites, the degree of their sanitary awareness and their exposure frequencies to the pathogens as a result of their daily activities.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 2","pages":"161-7"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12680732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The in vitro and in vivo effects of mefloquine on Trypanosoma brucei brucei. 甲氟喹对布氏锥虫的体内外作用。
I N Otigbuo, A O Onabanjo
{"title":"The in vitro and in vivo effects of mefloquine on Trypanosoma brucei brucei.","authors":"I N Otigbuo,&nbsp;A O Onabanjo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Blood stream forms of Trypanosoma brucei brucei were grown over mouse kidney (MK) cells in minimum essential medium with various concentrations of mefloquine. The drug was observed to inhibit multiplication of the parasites in vitro. Groups of male albino mice were treated with mefloquine at 24, 48 and hours after T. b. brucei infection. Mefloquine at 0.03 mg/kg body weight administered for 4 consecutive days cleared the infection. No trypanosomes were detected in the blood of these mice for 90 days and over after the clearance of parasite from the blood. The doses for both the in vitro and in vivo therapy, were well below those prescribed for humans.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 2","pages":"191-9"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12683345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microbial causative agents of male urethritis. 男性尿道炎的微生物病原体。
M Stefánik, K Rychna, A Valkoun
{"title":"Microbial causative agents of male urethritis.","authors":"M Stefánik,&nbsp;K Rychna,&nbsp;A Valkoun","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The incidence of Chlamydia trachomatis, Ureaplasma urealyticum, Mycoplasma hominis, Neisseria gonorrhoeae and Trichomonas vaginalis was studied in men with urethritis. Out of 150 examined men 48.7% had the positive isolation of U. urealyticum, 26.0% C. trachomatis, 22.7% N. gonorrhoeae, 18.7% M. hominis and in one (0.7%) patient T. vaginalis was found. None of the above mentioned microorganisms was detected in 24.7% of examined men. In 43.3% cases only one agent was isolated. In 23.3% of the men the combination of two agents, in 8.0% the combination of three and in 0.7% even the combination of four studied microorganisms was observed. C. trachomatis was most frequently observed in combination with N. gonorrhoeae (15 cases) and U. urealyticum (14 cases). M. hominis and U. urealyticum occurred simultaneously in 22 examined men.N.gonorrhoeae was most frequently found together with U. urealyticum (16 cases). Concerning the occurrence of other bacteria and yeasts, no significant difference was found between the groups positive and negative for the above mentioned microorganisms.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 1","pages":"111-8"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12785301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reaction of macrophage disappearance as a method for the evaluation of cellular immunity in experimental plague. 巨噬细胞消失反应作为评价实验性鼠疫细胞免疫的方法。
G I Vasilieva, A K Kisileva, Y P Doroshenko, V L Pustovalov
{"title":"Reaction of macrophage disappearance as a method for the evaluation of cellular immunity in experimental plague.","authors":"G I Vasilieva,&nbsp;A K Kisileva,&nbsp;Y P Doroshenko,&nbsp;V L Pustovalov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The reaction of macrophage disappearance (RMD) was found to develop one day after the immunization of experimental animals with the antigen FIA of Y. pestis and to persist for 21 days, correlating with a pronounced protective effect of the above antigen over this period. There were differences between white mice and guinea pigs in the intensity of the RMD, particularly when immunization was carried out using an FIA preparation without prolonged action. These differences are thought to reflect varying degrees of immunity elicited by FIA immunization. It is recommended that the RMD be used to quantify cellular immunity to Y. pestis.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 1","pages":"123-8"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12785303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Qualification of long-stored samples of serum banks for seroepidemiological studies. 血清流行病学研究中血清库长期保存样本的鉴定。
B Böthig, L Danes, E Gerike, S Ditmann, E Svandová
{"title":"Qualification of long-stored samples of serum banks for seroepidemiological studies.","authors":"B Böthig,&nbsp;L Danes,&nbsp;E Gerike,&nbsp;S Ditmann,&nbsp;E Svandová","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Serum samples were tested for antibodies against polio virus and measles virus from two serum banks after having been stored under different conditions for several years. The results are compared with those ones obtained immediately after sampling. Despite of small increases of antibody-negative samples and of small decreases of the titres the suitability of the samples stored could be shown. Special attention should be given to the establishment, e.g. in the framework of Expanded Programme on Immunization of the World Health Organization and in order to study new pathogens unknown to date, and the technical preconditions for that should be planed.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 3","pages":"269-78"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12468176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diagnosis of mycobacterial infection in acquired immunodeficiency syndrome (AIDS) patients and HIV carriers. 获得性免疫缺陷综合征(AIDS)患者和HIV携带者中分枝杆菌感染的诊断。
N Martín-Casabona, I Ocaña Rivera, R Vidal Plá, G Codina Grau, J A Caylá, T González Fuente
{"title":"Diagnosis of mycobacterial infection in acquired immunodeficiency syndrome (AIDS) patients and HIV carriers.","authors":"N Martín-Casabona,&nbsp;I Ocaña Rivera,&nbsp;R Vidal Plá,&nbsp;G Codina Grau,&nbsp;J A Caylá,&nbsp;T González Fuente","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Differences in tuberculosis diagnosis between infected and non-infected HIV patients were described. In Barcelona, tuberculosis is present in 41.6% of 851 patients in whom AIDS was detected between 1981 and the first quarter of 1990. We reviewed the results of the methods used for tuberculosis diagnosis in 270 AIDS patients controlled in our hospital, in whom tuberculosis was detected (33.3%), and we compared these data with the results obtained in HIV carriers with tuberculosis and with tuberculous patients without HIV infection. Statistically significant differences were found between the three groups with respect to sex, age, results of Ziehl-Neelsen stain in pulmonary specimens and skin test reaction; between AIDS patients and the non-HIV infected population differences were observed in tuberculosis site. Positive skin test reaction diminished from tuberculous individuals non-HIV infected (95%), to HIV carriers with tuberculosis (71.8%) and AIDS patients with tuberculosis (21.8%). Acid-fast smears from pulmonary specimens were positive in 35.7%, 23.5% and 43.7% respectively. Statistically significant differences were found in tuberculosis localization between tuberculous patients non-HIV infected and tuberculous patients with AIDS, in the last group tuberculosis lymphadenitis was the most frequent localization (33.3%) of extrapulmonary tuberculosis, followed by abdominal tuberculosis (15.5%). The incidence of HIV infection among tuberculous patients was 4.6 in our study, but could be higher if patients between 19 and 30 years old were always checked for anti-HIV antibodies.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 3","pages":"293-302"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12468177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrolytic enzymes in leprosy sera. 麻风病血清中的水解酶。
C Vaishnavi, V Dhawan, N K Ganguly, A Sethi, B Kumar
{"title":"Hydrolytic enzymes in leprosy sera.","authors":"C Vaishnavi,&nbsp;V Dhawan,&nbsp;N K Ganguly,&nbsp;A Sethi,&nbsp;B Kumar","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Serum samples collected from 45 untreated leprosy patients and 10 healthy subjects were studied for the activities of alkaline phosphatase, N-acetyl beta-glucosaminidase and beta-glucuronidase. A highly significant increase in the specific activity of these enzymes was observed in all types of leprosy patients as compared to controls. Increase in the level of circulatory hydrolytic enzymes could be a tissue damaging factor and may be responsible for many of the lesions seen in leprosy.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 4","pages":"401-4"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Risk of contamination of human and agricultural environment with parasites through reuse of treated municipal wastewater in Riyadh, Saudi Arabia. 沙特阿拉伯利雅得通过再利用处理过的城市废水对人类和农业环境造成寄生虫污染的风险。
A S Bolbol
{"title":"Risk of contamination of human and agricultural environment with parasites through reuse of treated municipal wastewater in Riyadh, Saudi Arabia.","authors":"A S Bolbol","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Two selected sites in the Riyadh metropolitan area were surveyed for the presence of human pathogenic parasites in treated municipal wastewater (TMWW). A total of 100 samples were collected from both sites at two different seasons, the winter and summer reason. The most common parasites seen were the larvae and adult of Strongyloides sp. There were few Ascaris lumbricoides ova, some of which were embryonated and possibly infective, while the highest frequency of Ascaris ova (100 +/litre) was found at site 2 h, the highest frequency of Strongyloides sp. larvae (36-72/litre) and Strongyloides sp. adult (100 +/litre) were found at sites 2 W and 1 W respectively. The variation between sites and seasonal fluctuations showed a significant difference in parasite per litre. High atmospheric temperatures in the Riyadh area seem to be lethal to most intestinal pathogens similarly the absence of protozoal cysts in the TMWW could be attributed to certain treatment processes and other environmental factors. Data obtained from this study will be valuable in planning for the control of parasitic diseases in particular and public health pathogens in general.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 4","pages":"330-7"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Onchocerciasis in Plateau State; Nigeria: ecological background, local disease perception & treatment; and vector/parasite dynamics. 高原地区盘尾丝虫病;尼日利亚:生态背景、当地疾病认知与治疗;以及媒介/寄生虫动力学。
B E Nwoke, C O Onwuliri, G O Ufomadu
{"title":"Onchocerciasis in Plateau State; Nigeria: ecological background, local disease perception & treatment; and vector/parasite dynamics.","authors":"B E Nwoke,&nbsp;C O Onwuliri,&nbsp;G O Ufomadu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The physico-biological ecological complex in Plateau State has by definition increased the potential of most rivers to support the breeding and dispersal of vector species as well as human acquisition and dissemination of the disease for several months in a year. Though villagers in endemic areas are of the know of the nuisance of blackfly bites, but the majority of them lacked the aetiological knowledge of onchocercal lesion. Hence disease management is misdirected towards consulting the oracle and appeasing the gods. The vectors of onchocerciasis in Plateau State, S. damnosum, and S. sirbanum are wet season breeders with their peak biting density occurring at the height of rainy season. However, biting flies carry more infective parasites at the beginning and end of rain. These vectors exhibit bimodal biting activity: a small one in the morning hours and a pronounced evening peak. Biting activity is at least influenced by two major climatic factors; illumination and temperature. However, the fastest changing climatic factor relative to an increase in the biting activity of flies was illumination. Microfilarial load in the skin of patients does not significantly change throughout the year or when biopsies are taken under shade throughout the day. Extreme temperatures, however, have significant reducing effect on the skin microfilarial. The epidemiological relevance of these in the ongoing MECTIZAN delivery in the State are discussed.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 2","pages":"153-60"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12680731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
C-reactive proteins, immunoglobulin profile and mycobacterial antigens in cerebrospinal fluid of patients with pyogenic and tuberculous meningitis. 化脓性和结核性脑膜炎患者脑脊液中c反应蛋白、免疫球蛋白谱和分枝杆菌抗原。
C Vaishnavi, U K Dhand, R Dhand, N Agnihotri, N K Ganguly
{"title":"C-reactive proteins, immunoglobulin profile and mycobacterial antigens in cerebrospinal fluid of patients with pyogenic and tuberculous meningitis.","authors":"C Vaishnavi,&nbsp;U K Dhand,&nbsp;R Dhand,&nbsp;N Agnihotri,&nbsp;N K Ganguly","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cerebrospinal fluid (CSF) samples were collected from 12 patients with pyogenic meningitis (PM), 19 with tuberculous meningitis (TBM), 20 with clinically suspected but not definitely proved cases of tuberculous meningitis (STBM) and 12 normal controls. C-reactive proteins, immunoglobulins G, A, M and mycobacterial antigens were estimated in the CSF samples. Seven out of 51 (13.7%) samples obtained from the patient groups were positive for CRP. Immunoglobulins M and A were significantly raised in the PM group. When the TBM and STBM groups were compared with the controls a highly significant increase was obtained for all immunoglobulins. Mycobacterial antigens/epitopes were identified in 36.8% samples with TBAGB1 and TB68-H monoclonals and in 26.3% with WTB72-A2. In case of patients with suspected TBM, 6.6% were positive with TBAGB1 and WTB72-A2 and 13.3% with TB68-H. However, non-tuberculous patients also reacted with WTB72-A2 (10.5%) and TB68-H (21.0%). This is, to the authors' knowledge, the first report on the presence of CRP in the CSF. Technique for immunoglobulins in CSF is also updated in this paper. We infer that the monoclonal antibody TBAGB1 and immunoglobulins G and A may be safely considered as diagnostic markers of TBM. Estimation of CRP in CSF samples may be made to give a preliminary or additional diagnosis of meningitis regardless of its aetiology.</p>","PeriodicalId":76007,"journal":{"name":"Journal of hygiene, epidemiology, microbiology, and immunology","volume":"36 3","pages":"317-25"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12467423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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