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1986 Vol. 5, No. 2

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1986, 5(2): 1-2.
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1986, 5(2): 2-3.
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1986, 5(2): 3-3.
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1986, 5(2): 4-4.
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1986, 5(2): 5-5.
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1986, 5(2): 5-6.
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Investigation on the Contamination of the Aquatie Products by Methyl Mercuric Compounds in Fifteen Provinces and Cities and Prelimi- nary Studyon the Sanitary Standard of These Compounds
Zhou Shunan, Cai yunqing
1986, 5(2): 7-8.
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The contents of methyl mercuric compounds is 1392 samples,of aquatic products from 15 provinces and cities were measured. The positity rate was 90.00/band the average contents was 0.0537 mg/kg. The range of methyl mercuric coateats in 1095 samples of fresh water fishes were 0-2.45mg/kg with an average of 0.056mg/kg, while those in 297 samples of sea fishes were 0-1.38mg/kg with as average of 0.0789 mg/kg.
1986, 5(2): 9-9.
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1986, 5(2): 10-11.
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1986, 5(2): 11-13.
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1986, 5(2): 12-13.
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The Volatile Nitrosamine in Some Native Foods and Seafoods from Guangdong Provinee
Ma Youqi, Fu chaohui, Zhen qingguang
1986, 5(2): 14-17.
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The contest of volatile nitrosamine m 84 samples of 13 kinds of foot from Guangdong Province was measured with combined gas chromatograpliy and thermal energ7 analyser (GC-TEA). In the native foods, the contents of dime thyl aitrosamine and diethyl nitrosamine were low and undetectable is considerable uanber-of samples except tadividual samples of Mei-Cai(a find of dry salted and fermeate vegetable )which were found to contain high level of N-nitrosopyrrolidine. Almost all of the seafoods such as dry shrimps were found to contain dimethyl nitrosamine.
1986, 5(2): 17-17.
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1986, 5(2): 18-18.
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Etioog,EPidemiology and Clinieal Feature of Aeute Diarrhea
She Shaoliang, Gu zhenxiang, Zhao cuiying, Cheng jingzhong, Wu yuanjing, Bi yulian, Zhao guosheng, Hu qiuping, Xiong guilan, Zhou aihua
1986, 5(2): 19-21.
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Four bundred and sixty cases of acute diarrhea occurred in Huangshi City during the period from July 1983 to February 1984 were investigated. It was Shown to have a positivity rate of all the Pathogenic organisms of 40.7%, in whichiti, it was 18.9% for Rotavirus, 5.9% for B.dysenterise, 5.4% for EPEC,3.0% for NAG, 2.2% for Campylobacter, 5.9% for Salmonella and 4.1% for mixed infections. The positivity rate in children (52.4%) was higher than that in adults(14.6%). The Rotavirus infection was more common in winter (40.2%) than is summer and autumn (14.6%).
Etiology of Infectious Diarrhea
Luo Guangrong
1986, 5(2): 22-25.
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The result of etiolcgic examination of 1038 cases of diarrhea occurred in Enshi City from Oct. 1983 to July 1984 is reported. 1038 specimens were examined, and pathogens were detected in 356 of them(34,4%). The positivity rate was higest in September and October (50.5% and 51.5% respectively)and varied from 21.5% to 41.5% in the rest of year. It was significantly higher in patients of age group of 2-6 years and 20一30 years than in the other age groups.
EPidemiologic Aspect of Infantile Rotavirus Enteritis in Taiyuan, 1984
Zhu Qinyi, Huang yuantong, Yi huilan, Li lianqing
1986, 5(2): 26-28.
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From Jan to Dec 1984, 1243 feacal specimens taken from acute diarrheal infants attending Taiyuan Children's Hospital were examined by ELISA for rotavirus antigen, which was detected in 180 of these specimens with a positivity rate of 14.5%. At the same time, the detection rates were compared between rotavirus and other entero-pathogenic organism. It was shown that the total pathogen detection rate of acute infantile diarrhea was 56.6%.
1986, 5(2): 29-30.
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A Study on the Infection of Hepatitis B Virus and Its Determinants in Newborns and Infants
Jin Zhihong, Zhang huaishen, Wang enjiu Yao zhongyin, Quan ruizhen, Li zhenqiang, Zhao lianzhu, Chen jing, Mai gai
1986, 5(2): 30-32.
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Thirty two newborn and infants whose mothers were positive for HBsAg and another 32 whose mothers were HBsAg-negative had been followed up for 2 years. The HBsAg-positive rates were 65.6% and 3.1% respectively. The rates of HBV infection were 75.0% and 3.1% respectively. Of 21 HBsAg-positive children, 17(80.9%)became chronic arriers.
1986, 5(2): 32-28.
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EPidemiologieal Characteristics of Leptospirosis in Yichang Area
Pan Huiming
1986, 5(2): 33-35.
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The epidemiological characteristics of leptospirosis reported in Yichang area during last 20 years were vestigated. The results showed that this disease occurred periodically wlth a cycle of 10 years. The factors for the periodic occurrence were related to the decrease in the herd immunity level of the population the increase in carrier rate in rodents. In most cases, the disease was of influenza-typhoid type, and presented some difficulties in diagaosis and resulted in some epidemic districts unknown to the health authorities for a long time.
1986, 5(2): 36-36.
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Comparison of Three Methods for Measurement of Diphtheria Antitoxin Level
Qian Zhongxia, Ma yuxiang, Zhang guangye, Gao shenglan
1986, 5(2): 37-39.
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Measurements of diphtheia antitoxin level in 825 human serum specimens by Schick test(ST),indirect microraemagglutination test (IHA) and enzyme Linked immunosorbent assay (ELISA) were compared. The level of antitoxia used for differentiating positive and negative results was 0.0lu/ml. 1t was showed that the positive rates obtained with ST, IHA aad ELISA were 59.7%(493/825), 15%(125/823) and 58% (471/808) respectively.
Studies on the Rapid Diagnosis of Typhoid Fever by Means of SPA Labelled Coagglutination Test
Wen Fanglian, Chen yutang
1986, 5(2): 40-42.
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During the field survey made by the authors during 3 years(1981-1983),241 typhoid fever cases were diagnosed by means of blood and stool culture for Salmonella typhi and Widal's reaction Using self-made SPA-1a6elfed anti-serum against S.typhi and metbylene blue staining and urine samples absorbed with SPA to remove nonspecific agglutinating materials to perform coagglu tination reaction,229 ppsitive cases were found out among the above mentioned 241 patients. The positive accordance rate amounted to 95.02%. Control tests were also carried outin 241 normal persons and none was positive.
1986, 5(2): 43-45.
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1986, 5(2): 46-48.
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1986, 5(2): 49-49.
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1986, 5(2): 50-50.
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Study on Inactivity Effects of Youlujing and ComPlex Youlujing against HBsAg
Shao Huixun, Shen li
1986, 5(2): 50-53.
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Youlujing(Sodium dichloroisocyanurate)is a kind of organi smchlorine disinfectant and complex Youlujing is a mixture of Youlujing and detergent.The inacttiration effects of these two disinfectants against HBsAg were tested. The results showed that the inactivation effect of youlujing witn increase in conce ntration and exposure time. HBsAg was inactivated after exposure to 1000 ppm(available chlorine)Youlujng for 2 min, 500 exposure ppm for 5 min, 250 ppm for 10 min or 125 ppm for 30 min,and was also completely inactivated after exposure to tested.
1986, 5(2): 53-54.
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AConditional Logistic Regression Analysis For the Risk Factors of Cervieal Cancer
Yu Zhangfeng, Zhang zhenling, Liu yunyuan
1986, 5(2): 55-57.
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Death rates for cancer of the cervix unter are generally higher than breast in China, Cervical cancer, despite its declinning mortality in China is still an important Cancer. In order to elucidate the relationship between cervical cancer and suspected etiological factor,a 1:2 matching to case-control study was carried out at tumour hospital in Harbin. One hundred cases of cervical cancer and two hundred cases of controls were selected during the two-year study period.
1986, 5(2): 58-61.
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1986, 5(2): 61-62.
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1986, 5(2): 63-63.
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1986, 5(2): 63-63.
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1986, 5(2): 64-64.
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