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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Direct and indirect effects of influenza vaccination

Fig. 1

a-b SIR model describing the transmission of infection in a population (S: susceptible, I: infectious, R: immune, V vaccinated). a Standard SIR model where a fraction v is vaccinated at birth and immediately becomes immune. b Modified SIR model with vaccinees who can become infected. Parameters: per capita birth and death rate μ, contact rate β, recovery rate γ, population size N. The full model description is given in the Additional file 1

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BMC Infectious Diseases

ISSN: 1471-2334

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