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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/20343
Title: Acute viral lower respiratory infections in children in a rural community in Thailand
Authors: Sontana Siritantikorn
Pilaipan Puthavathana
Subharee Suwanjutha
Teerachai Chantarojanasiri
Pramuan Sunakorn
Tapanok Ratanadilok Na Phuket
Sunti Nawanopparatsakul
Pratueng Teeyapaiboonsilpa
Sumalee Taveepvoradej
Jariya Pengmesri
Suchittra Pongpate
Mahidol University
Thailand Ministry of Public Health
Takhli District Hospital
Keywords: Medicine
Issue Date: 1-Nov-2002
Citation: Journal of the Medical Association of Thailand. Vol.85, No.SUPPL. 4 (2002)
Abstract: The present study was conducted as a population based cohort in a rural community of Amphoe Takhli, Nakhon Sawan province for the determination of the prevalence of acute viral lower respiratory infection (ALRI) in pediatric cases under 5 years of age from November 1998 to February 2001. There were 472 ALRI episodes during the study period; and there were 5 cases who contracted ALRI twice. The etiologic agents were determined by indirect immunofluorescence (IIF) test using specific monoclonal antibodies for the staining of exfoliated cells in nasopharyngeal aspirate (NPA) samples. The slides of fixed cells were prepared by Takhli Hospital and posted in ambient temperature to the Virology Laboratory, Siriraj Hospital where they were stained and examined. Among 472 episodes of ALRI, 170 (36.0%) viral agents were found. Viral agents were associated with 41.4 per cent of all pneumonic cases. Respiratory syncytial virus (RSV) was the most common virus observed in the present study; and it was also the most common virus associated with pneumonia and bronchitis. RSV subgrouping was performed directly in NPA samples by IIF test using a panel of subgroup specific monoclonal antibodies. RSV subgroup B predominated over subgroup A in the first study year, and it was vice versa in the second year. Overall, more cases of subgroup B were found which was in contrast to what the authors had reported in the previous study. Prevalence of RSV was seasonal dependent, the epidemic was seen during the rainy season with peaks in August or September of each year. As the method of viral identification was limited to IIF only, therefore, fewer viruses were detected. Parainfluenza viruses were detected as the second most common viral agent, the viruses spread during early summer with peaks in February or March of each year. However, its association with croup could not be demonstrated which may be due to the insensitivity of IIF in the diagnosis of non-RSV infection. Nevertheless, in terms of feasibility to investigate the disease in a rural area, IIF is economic, convenient and rapid; and gives enough information for the nationwide plan of a health care development system.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0036881446&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/20343
ISSN: 01252208
Appears in Collections:Scopus 2001-2005

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