Basic Reproduction NumberDisease Transmission, InfectiousDisease OutbreaksEpidemicsCommunicable DiseasesModels, TheoreticalInfluenza, HumanModels, BiologicalModels, StatisticalInsect VectorsReproductionComputer SimulationCommunicable Disease ControlPopulation DynamicsQuarantineInfluenza A Virus, H1N1 SubtypePandemicsTime FactorsSeasons