| [surveillance of influenza in tananarive. 1989]. | the authors report results of epidemiological survey of influenza in tananarive. this survey is based on respiratory morbidity observed in an interprofessional health center, and virus isolation. two viruses have circulated in 1989: b virus (b/victoria/2/87) during first half-year, and a: a/victoria/36/88 (h1n1) virus during dry season with a pick in november. influenzae has been responsible of grouped sporadic cases without epidemic diffusion. | 1990 | 2078081 |
| [viral etiology of acute respiratory infections in madagascan children]. | a total of 80 nasopharyngeal secretions collected from malagasy children (53 boys and 27 girls) with viral acute respiratory infection, aged from 6 days to 10 year old admitted to the pediatric department of antananarivo general hospital from may to july 1983, were investigated by indirect immunofluorescence method. 54--samples were found positive for respiratory viruses. distribution according age groups and sex has been studied: children belonging to 25-36 month age group and male sex were mor ... | 1986 | 3026268 |
| [surveillance of influenza in tananarive in the year 1979. isolation of viruses a/ussr and a/brazil - (h1 n1)]. | | 1981 | 7342894 |
| [influenza surveillance in tananarive during the year 1992]. | the authors relate the 1992 results of influenza surveillance in antananarivo. 24 influenza virus a (h3n2) strains were isolated from 467 pharyngeal swabs. the virus had been continually spreading from january to september, with a peak in july, along with some monthly sporadic isolations. the highest respiratory morbidity was observed in june and july. the collection processes of influenzal and respiratory morbidity statistics are also discussed in order to standardize data and to define the rea ... | 1993 | 8192546 |
| [influenza epidemiologic and virologic surveillance in antananarivo from 1995 to 2002]. | the "institut pasteur de madagascar" virology laboratory is the national who centre for influenza surveillance in madagascar. on this surveillance collaborate the ministry of health with 9 sentinel centres. in the present article, the authors relate the results of influenza surveillance in antananarivo between 1995 and 2002. among 6341 patients with nasal and/or pharyngeal swabs, influenza virus were isolated from 427 patients (6.7%): 307 (68.4%) influenza virus a (h3n2), 124 (27.1%) influenza v ... | 2003 | 15678811 |