G.Carlson, Dennis(PhD)Gebre, Yitades2018-07-272023-11-052018-07-272023-11-051990http://etd.aau.edu.et/handle/123456789/10190In a tuberculin survey in Yifatna Timuga Awraja, Northern Shoa , Ethiopia 1997 elementary school - - children ; 1046 ( 52.4% ) males &. 9 51 ( 47.6% ) females Here in the age group 7 to 14 participated in the s t udy . The survey consisted of a set of questionnaire, assessement of nutritiona l status, examination of t he _presence of BGG sc or and t uberculin skin testing wi th PPD - RT 23 • The prevalence of tuberculosis infection was 1 2 .6 ~~ ( 11.17% to 14.0%; confidence limits 95% ) • The mean nge Has 10. 3 years. The avarage annual risk of tuberculosis infection was 1.35% ( 1.1 8% to 1. 5 %, confidence limits 95 ~ ) Boys &girls have eq ua l risk of infection unlike children coming from bigger fami l y sized have greater ( P~0.05) It was also found tha t children who drink cows' milk have equal risk of infection compared with those do not ( p 7 0 . 05 ) , relative risk is 1 • The data also provided that the BGG coverage in this sge group was 8 . 41% . The proportion of positives for BeG scar increased a~ the distance of their homes from health institution decreased (P~0.001 for the trend) • Vii The nutritional status of the surveyed children was assessed for mantoux positives and mantoux negatives 13.7 % of children in this study were severe ley undernourished. Another significant observation was that there was no difference in the risk of tuberculosis infection malnourished compared with well nourished children ( P .>0..0.5 for the trend). Data on history of cough experienced by anyone of family members for morethan children had a ·month _ ahowed someone in the ths,t ::10..3% · . Qf :the · household who coughed. This study had also estimated the incidence of smear positive tuberculo sis which is 81 cases per 10.0. , 0.0.0. popul ation per yenr that is 334 cases in Yifatna Timuga The incidence of tuberculosis meningitis in age group 0. - 4 in this study is 7/ 10.0. , 0.0.0. total population , that is 28 cases per year in Yifatna Timuga awrnjaenTuberculosis InfectionThesis