[etiology of acute lower respiratory tract infections among children younger than 5 years old in santa fe].the etiology of acute lower respiratory tract infections (ari) and nasopharyngeal bacterial carriage in children less than 5 years old living in santa fe city, argentina, was studied. a total of 518 children were included in the study: 450 suffering from ari and 68 asymptomatic children. blood samples, pleural effusions and nasopharyngeal secretions (ns) were obtained from children for bacterial isolations. ns was also used for fluorescent antibody techniques, and serum samples were employed for ...19979532829
clinical and epidemiologic characteristics of respiratory syncytial virus subgroups a and b infections in santa fe, argentina.respiratory syncytial virus (rsv) has two major antigenic groups, a and b. the implications of these variants in the epidemiology and pathogenesis of rsv infection are not well defined. this study was undertaken to compare the two rsv subgroups in patients admitted to hospital. clinical and epidemiologic features of rsv subgroups in children under 30 months of age with proven rsv acute lower respiratory infections were examined during 4 winters from 1993 to 1996 in santa fe, argentina. rsv typin ...200010745236
multicentered study of viral acute lower respiratory infections in children from four cities of argentina, 1993-1994.this study describes the first multicentered study of acute lower respiratory infection viral etiology in young children from four different geographical areas of argentina. a total of 1,278 children under 5 years of age, hospitalized in primary care centers from buenos aires, córdoba, santa fé and mar del plata cities during a 2-year period were studied (1993-1994). nasopharyngeal aspirates were investigated for respiratory syncytial virus (rsv), adenovirus, parainfluenza, and influenza a and b ...200111360249
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