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Revista argentina de microbiología

versión impresa ISSN 0325-7541

Resumen

CUESTAS, Eduardo; VILARO, Mario  y  SERRA, Pablo. Predictibilidad de la propagación espacial y temporal de la epidemia de influenza A H1N1 en la Argentina por el método de percolación. Rev. argent. microbiol. [online]. 2011, vol.43, n.3, pp. 186-190. ISSN 0325-7541.

Spatial and temporal spread predictability of influenza A H1N1 epidemic in Argentina by the percolation method. The influenza A H1N1 epidemic has spread rapidly worldwide on account of the current conditions of high interconnectivity and transport speed both among people and countries. The spatial spread of the epidemics can be explained by the percolation theory which allows to estimate a threshold beyond which the transmission of the infection among different geographic regions occurs. The aim of this study was to test the predictive ability of the percolation model of influenza A H1N1 epidemic in Argentina according to data gathered by the National Department of Public Health. In the model, the country was considered as a set of irregular, contiguous and continuous geometric figures, which can be represented in two dimensions on a plane. We analyzed the proportion of infected provinces at the moment of percolation in relation to time in days and compared observed and expected values by curvilinear equations in a logistic model. Percolation occurred on day 45. The expected value generated by the model was 42.4 days, 95 % CI 28.5 to 56.3. The difference between observed and expected values was p = 0.997. We conclude that the model has good fit and predictive capacity.

Palabras llave : Spread; Epidemic; Influenza A H1N1, Argentina.

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