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Libro de Resúmenes / Book of Abstracts (Español/English)

Libro de Resúmenes / Book of Abstracts (Español/English)

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Resumenes 104<br />

Mo<strong>de</strong>los para la dispersión <strong>de</strong> SIDA y su relación con los datos<br />

Mo<strong>de</strong>ls <strong>of</strong> the spread <strong>of</strong> AIDS and their relation to data<br />

Helmut Knolle<br />

Berna,Suiza<br />

An interesting paper by Niels Becker, who has published more than<br />

20 papers and a book on epi<strong>de</strong>mic mo<strong>de</strong>ls in relation to data, has convinced<br />

me that epi<strong>de</strong>mic mo<strong>de</strong>ls should be related to some empirical data (Becker<br />

1979). Therefore a recently published mo<strong>de</strong>l <strong>of</strong> the spread <strong>of</strong> HIV in the<br />

general population (Knolle 2004) is presented together with HIV-data from<br />

Colombia and some <strong>de</strong>mographic data which have an impact on the<br />

assumptions <strong>of</strong> that mo<strong>de</strong>l. The HIV-data come from anonymous unlinked<br />

tests (pruebas anonimas no ligadas) <strong>of</strong> large samples <strong>of</strong> pregnant women in<br />

prenatal care and persons in general medical consulting, and exhibit a<br />

characteristic age distribution. The correspon<strong>de</strong>nce <strong>of</strong> the predictions <strong>of</strong> the<br />

mo<strong>de</strong>l with the existing data will be discussed, and it will be indicated what<br />

further data are nee<strong>de</strong>d in or<strong>de</strong>r to validate the mo<strong>de</strong>l.<br />

References<br />

• Becker, Niels (1979) The uses <strong>of</strong> epi<strong>de</strong>mic mo<strong>de</strong>ls. Biometrics 35, 295-305<br />

• Knolle, Helmut (2004) A discrete branching process mo<strong>de</strong>l for the spread <strong>of</strong><br />

HIV via steady sexual partnerships, Journal <strong>of</strong> Mathematical Biology 48,<br />

423-443443

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