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Reconstruction of the seasonally varying contact rate for measles. (English) Zbl 0818.92021
Summary: With the extended Kalman filter the time dependent contact rate for measles in the SEIR-model is reconstructed from data of the incidence of this infectious disease in the city of New York. It is concluded that although these data show through the years an irregular change in the number of infected children the contact rate is definitely periodic and follows the season. The analysis gives improved values of the parameters in the SEIR-model for this special problem.

92D30 Epidemiology
93E11 Filtering in stochastic control theory
Full Text: DOI
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