| Titre : | A computer model of the spread of hepatitis C virus among injecting drug users. (1999) |
| Auteurs : | D. MATHER ; N. CROFTS |
| Type de document : | Article |
| Dans : | European journal of epidemiology (vol. 15, n° 1, 1999) |
| Pagination : | 5-10 |
| Langues: | Anglais |
| Mots-clés : | Hépatite virale C ; Virose ; Infection ; Toxicomanie ; Epidémiologie ; Méthodologie ; Toxicomane ; Homme ; Appareil digestif [pathologie] ; Foie [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST R0xsIu9H. Diffusion soumise à autorisation]. A number of behavioural and clinical parameters influence the transmission of an infectious agent through direct contact between two individuals. The behavioural parameters encountered in such situations are also likely to exhibit an enormous amount of variability. With the spread of hepatitis C among injecting drug users, the parameters associated with injecting behaviour play an important role in the modelling of the transmission process. Computer simulation modelling is an ideal approach to deal with a large number of parameters as well as high levels of variability without excessive simplification. The simulation model presented in this paper is tested on data from a cohort of injecting drug users and the results obtained are very encouraging from a public health perspective. The model clearly indicates that the rate at which HCV spreads through a population of injecting drug users is extremely sensitive to the interaction rate and to the probability of infection through a single contact with an infective. At the same time it shows that rate of spread is not very sensitive to initial prevalence. which is very encouraging from a public health perspective. |
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