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Respiratory syncytial virus infection in tropical and developing countries

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Abstract:

Little is known about the epidemiology of respiratory syncytial virus (RSV) infection in tropical and developing countries; the data currently available have been reviewed. In most studies, RSV was found to be the predominant viral cause of acute lower respiratory tract infections (ALRI) in childhood, being responsible for 27– 96% of hospitalised cases (mean 65%) in which a virus was found. RSV infection is seasonal in most countries; outbreaks occur most frequently in the cold season in areas with temperate and Mediterranean climates and in the wet season in tropical countries with seasonal rainfall. The situation on islands and in areas of the inner tropics with perennial high rainfall is less clear-cut. The age group mainly affected by RSV in developing countries is children under 6 months of age (mean 39% of hospital patients with RSV). RSV-ALRI is slightly more common in boys than in girls. Very little information is available about the mortality of children infected with RSV, the frequency of bacterial co-infection, or the incidence of further wheezing after RSV. Further studies on RSV should address these questions in more detail. RSV is an important pathogen in young children in tropical and developing countries and a frequent cause of hospital admission. Prevention of RSV infection by vaccination would have a significant impact on the incidence of ALRI in children in developing countries.

Keywords: Respiratory syncytial virus; acute respiratory infections; child; developing countries

Document Type: Research Article

DOI: http://dx.doi.org/10.1046/j.1365-3156.1998.00213.x

Affiliations: 1: Medical Research Council Laboratories, Fajara, The Gambia , 2: Children's Hospital, Hannover Medical School, Hannover, Germany, 3: World Health Organization, Geneva, Switzerland , 4: London School of Hygiene and Tropical Medicine, London, UK

Publication date: April 1, 1998

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