Adolescent students of a rural block were studied to find out variation in blood pressure in relation to sex, caste and socioeconomic status. Females had significantly higher mean values of blood pressure; both systolic and diastolic. There was significant variation in systolic blood pressure amongst adolescents of various socio- economic classes. Prevalence of systolic hypertension (95 percentile) was higher in adolescents of upper middle social class and diastolic hypertension in Prestige castes. It is suggested that screening for hypertension should be done at school leaving age and high risk adolescents should be advised about periodic check-up, proper diet, salt restrictions and exercise so that frank hypertension could be prevented in adulthood.

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A Community based study was conducted in urban Delhi. It was found that Smokers constituted about 32 percent of adult males in Delhi Admin. Flats, Timarpur. Proportion of smokers was highest in 41-50 years age. 31 percent of school teachers were smokers. Out of all who tried to live-up smoking, 8 percent reverted back after abstinence of two year or more. About three fourth of the smokers were worried ill effects of smoking's on them and others. Significantly higher number of non-smokers expressed opinion for total stopping of advertisement and complete ban of sale of smoking tobacco.

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A laboratory trial was carried out at Pune to evaluate the effectiveness of five types of larvicides viz. Malathion, Temephos, Fenthion, Dichlorvos and Fenitrothion against Culex quinquesfasciatus larvae. The expected number of mortality at various dose levels for the five types of insecticides were estimated separately using logistic regression model. Based on the fitted model, the estimated dose level corresponding to the 90 percent mortality (LC90) was obtained for each insecticide. Approximate 95 percent confidence intervals for the LC90 dose, in each case, has been provided. The analysis revealed that out of all the five types of insecticides included in the study, fenthion was the most effective. The estimated value of LC90 in this case was the lowest and is equal to 0.007 mg/L. The effectiveness of temephos, dichlorvos and fenitrothion was found to be approximately same and malathion was the least effective. The results were found to be comparable with that obtained under probit method.

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Fifty-nine babies were born to eclamptic mothers among 7500 deliveries giving incidence of occurrence of 0.77 percent. The perinatal mortality in eclamptic babies was 32.7%, whereas the total perinatal mortality rate amongst all the deliveries was 10.5%. The mothers were treated within Group I--diazepam, Group II i chlorpromazine (largactil), phenargan and diazepam and Group III--largactil, phethidine and phenargan. The mortality rate was 23.8%, 18.8% and 66.6% respectively. The highest number of still-born i.e. six out of 8 occurred in Group III. Hundred percent still-born was noted in 28-32 weeks of gestation and birth weight less than 1.5 kg irrespective of drug regimes. Iargactil potentiates the respiratory depressant effect of pethidine and may cause high rate of still-birth and death after birth.

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Ninety persons were bitten by a single rabid dog on 23rd January, 1992 in Central Delhi area. All patients were given immediate first-aid, prophylactic tetanus toxoid injection and post-exposure antirabies treatment i.e., hyperimmune antirabies serum (ARS) and antirabies vaccination in different Hospitals of Delhi. Fifteen (15) patients received tissue culture antirabies vaccine (Rabipur or Verorab) and rest 75 patients were given nervous tissue vaccine. ARS was given to all patients as all had severe (Class-III) bite. Altogether there were 76 male and 14 female and 80 adult and 10 children bitten by the dog. All patients well tolerated the vaccines excepting a few, who developed very minor side-effects. Investigation regarding post-exposure antirabies antibody assessment were carried out in twenty-four patients at WHO Collaborative Centre for Rabies. Epidemiology for South-east Asia at National Institute of Communicable Diseases, Delhi. Paired blood samples were obtained from these patients and all of them had protective antibody titre (0.5 IU/ml) with mean titre of 1.81 IU/ml and 2.11 IU/ml in first and second samples, respectively. All patients were followed after six months and there were no death or vaccine failure reported.

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