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Case Series of Pediatric Mycoplasma Pneumoniae Pneumonia Inpatients in A Hospital.
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Young Sun Min, Hyun Sul Lim
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Korean J Epidemiol. 2006;28(1):112-118.
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OBJECTIVES
The aim of this report is to examine characteristics of pediatric Mycoplasma Pneumoniae pneumonia inpatients.METHODS The authors conducted a medical record survey among 236 children under seventeen were hospitalized in a university hospital due to Mycoplasma Pneumoniae pneumonia, 2001-2003. The author reviewed gender, age, address, developed date of symptoms, admission day, discharge day, etc.RESULTS The number of inpatients was increased during late summer and fall. The mean age of all cases was 3.7+/-2.9 years old. One hundred ninety three cases (81.8%) had lung infiltration findings. The mean symptomatic period was 11.9+/-6.4 days (maximum 44 days, minimum 4 days, median 10 days), the mean hospital length of stay was 5.2+/-2.5 days (maximum 17 days, minimum 0 day, median 5 days).DISCUSSION The authors reviewed characteristics during last 3 years for Mycoplasma Pneumoniae pneumonia. This report is meaningful with its basic data for the epidemiologic characteristics of Mycoplasma Pneumoniae pneumonia inpatients.
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A Study on the Epidemiologic Characteristics of Scrub Typhus in Gyeongsangbuk-do, 1999-2001.
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Young Sun Min, Hyun Sul Lim, Kwan Lee, Cheoll Jung, Hae Kwan Cheong
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Korean J Epidemiol. 2005;27(2):70-79.
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ONJECTIVE: This study was carried out to investigate the epidemiologic characteristics and magnitudes of scrub typhus (tsutsugamushi disease) in Gyeongsangbuk-do, Korea.METHODS Resources of data collected were epidemiologic surveillance report to public health centers on each disease occurrence. The authors reviewed 344 epidemiologic surveillance reports for cases of scrub typhus developed in Gyeongsangbuk-do, Korea from Jan 1, 1999 to Dec 31, 2001.RESULTS The scrub typhus cases were 376 during three year period, and the incidence was significantly higher in the county area than in the city area. Incidence of scrub typhus was increasing each year. In 344 epidemiologic surveillance reports, the job of the cases was farmer (67.2%), housewife (4.7%), clerk (3.5%). Two hundred ninety eight cases (86.6%) have experienced outdoor activities before development of the scrub typhus. The outdoor places of exposure were dry field (64.8%), rice field (51.7%), hill (12.8), and grass field (9.7%). The symptoms reported were fever (93.3%), headache (83.7%), chill (69.5%), and rash (54.4%).CONCLUSIONS Incidence of scrub typhus was increasing in Gyeongsangbuk-do, Korea, this phenomenon may be related to change of climate, the reporting rate of disease and outing activities. Good surveillance and adequate analysis of epidemiologic data is a essential for the prevention of the disease. With this result, high risk population was identified and effective intervention should be done to prevent the disease.
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Accidents Status of Freshmen for 2 Months before Entrance University.
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Young Sun Min, Hyun Sul Lim
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Korean J Epidemiol. 2005;27(1):173-181.
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In recent years, Korea has experienced a loss of manpower and economy due to accidents. The consequences have been comprehensive. Nevertheless, there have been few recent Korean studies on adult accidents. Therefore, this study was carried out to examine the incidence pattern of accidents for 2 months before entering university among university freshmen.METHODS The subjects were 1,920 university freshmen who visited the university health center for health examination from March 8 to 12, 2004, and self-reported questionnaire was given to the subjects. The authors developed a questionnaire including age, gender, place and type of high school, experience of accidents, occurrence time and type of accidents and so on.RESULTS The monthly incidence of accident was 9.9 per 1,000 population. The accident cases were 28 in male and 10 in female, and the incidence of males was significantly higher than females. The frequent accident states were 15 cases in 'Ordinary life' (39.8%), 10 in 'Sports activities' (26.3%), 9 in 'Walking' (23.7%) and so on. The accident types were 13 cases of 'Tumbling over' (34.2%), 12 of 'Crash' (31.6%), 8 of 'Traffic accident' (21.0%) and so on. The frequent injury types were 19 cases of 'Sprain' (50.0%), 15 of 'Contusion' (38.4%) and 2 of 'Laceration' (5.3%). One's own carelessness was the most frequent cause of accident (65.8%). After the accident, 28 cases(73.7%) visited the hospital, 7 (18.4%) were hospitalized, and 3 (7.9%) underwent surgery.CONCLUSIONS Because the most frequent cause of accidents was one's own carelessness, self-consciousness and attention are needed. The authors expect that this study will go far toward increasing concern of researchers and administrators for the accidents among adults.
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Status on Influenza Vaccination in Some Community Health Centers.
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Hyun Sul Lim, Geun Ryang Bae, Young Sun Min, Young Taek Kim, Yeon Kyeng Lee
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Korean J Epidemiol. 2004;26(2):62-70.
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This study was conducted to improve the Korean influenza management system and to determine the status of influenza vaccination in some community health centers through a survey of the officers in charge of influenza vaccination.METHODS The authors conducted a questionnaire survey by e-mail for the officers in charge of influenza vaccination of 8 community health centers in Daegu-si, 5 community health centers in Ulsan-si and 25 community health centers in Gyeongsangbuk-do. The authors developed a questionnaire including selection methods of the influenza vaccination objects, results of influenza vaccination in 2002, problems of influenza vaccination, the population within the respondents`jurisdiction and so on.RESULTS The proportion of influenza vaccination at community health centers among all residents in the 2002-2003 influenza season was 3.8% in Daegu-si, 14.8% in Ulsan-si, 15.1% in urban Gyeongsangbuk-do and 24.9% in rural Gyeongsangbuk-do. The proportion of influenza vaccination at community health centers among priority cases for vaccination was 12.9% in Daegu-si, 43.1% in Ulsan-si, 39.3% in urban Gyeongsangbuk and 41.6% in rural Gyeongsangbuk-do.
The officers in charge of influenza vaccination stated that the problems of influenza vaccination were deficiencies in preparatory examination such as manpower shortage.
Twenty-five persons stated as a problem that influenza vaccinations conducted in the hospitals were hardly reported, and fifteen of these clarified that this was due to hospital indifference.CONCLUSIONS The authors examined all community health centers of Daegu-si, Ulsan-si, and Gyeongsangbuk-do, and investigated the vaccination states and problems that health officers were dealing with. Therefore, this study is meaningful with its basic data for the management of domestic influenza vaccination.
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Epidemiologic Investigation into an Outbreak of Typhoid Fever Recognized by Electronic Data Interchange in Gyeongsangbuk-do, 2003.
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Hyun Sul Lim, Young Sun Min, Kwan Lee, Sang Hyuk Lim
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Korean J Epidemiol. 2004;26(1):59-68.
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Epidemiologic Investigation into an Outbreak of Typhoid Fever Recognized by Electronic Data Interchange in Gyeongsangbuk-do, 2003 PURPOSE: Fourteen cases of typhoid fever occurred in Gyeongsan-si, Gyeongsangbuk-do from May 22 to July 19, 2003.
Especially, 6 cases were students of Y University located in Gyeongsan-si. This investigation was carried out to study the infection source and transmission of typhoid fever and to institute an effective prevention counterplan.METHODS The authors conducted an epidemiologic survey from June 25, 2003 among the 14 cases, restaurants and employees of the whole neighborhood of Y University. Widal test was carried out for the restaurant employees and schoolmates of the 13-year-old case Miss Kim. The authors executed a pulsed field gel electrophoresis (PFGE) for Salmonella typhi cultured from 9 cases. The authors collected data about chloride and turbid levels of treated water from April to June in Gyeongsan-si water treatment plant and repair work records of waterworks pipe line in Gyeongsan-si city hall.RESULTS All cases had used restaurants of the whole neighborhood of Y University within 2 months before the typhoid fever symptoms were developed, but the restaurant that was rarely visited by any of the patients had a case to be matched. In the results of the Widal test, 9 out of 45 of subjects (20.0%) were suspicious cases or showed a value to suggest past infection. In the results of PFGE test, there were 3 subtypes, and each subtype had a similar DNA fragments array. In all cases the patients drank tap water when they visited the restaurants. The restaurants provided drinking water from filtered tap water rather than boiled water, and all patients had drunk this water. The chlorine level of the treated water was the normal value in the Gyeongsan-si water treatment plant, but in 2 times the value was the minimum standard level. There was water pipe construction work in some regions of the whole neighborhood of Y University. The number of gastrointestinal patients in 2003 was approximately 2 times that in 2002 at the health center in Y University.CONCLUSIONS The possibility that typhoid fever was generated in the whole neighborhood of Y University is very high. Among various possibilities, the highest possibility is the pollution of tap water intake by water leakage of a water pipe. There was no case of patient infection after strengthening of the tap water disinfection. Thorough disinfection, boiled drinking water and a periodic carrier inspection are necessary to prevent additional local occurrences of these typhoid infections.
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