Early Estimates of Monkeypox Incubation Period, Generation Time, and Reproduction Number, Italy, May–June 2022
Giorgio Guzzetta, Alessia Mammone, Federica Ferraro, Anna Caraglia, Alessia Rapiti, Valentina Marziano, Piero Poletti, Danilo Cereda, Francesco Vairo, Giovanna Mattei, Francesco Maraglino, Giovanni Rezza, Stefano Merler
Abstract
We analyzed the first 255 PCR-confirmed cases of monkeypox in Italy in 2022. Preliminary estimates indicate mean incubation period of 9.1 (95% CI 6.5-10.9) days, mean generation time of 12.5 (95% CI 7.5-17.3) days, and reproduction number among men who have sex with men of 2.43 (95% CI 1.82-3.26).
Topics & Concepts
MonkeypoxIncubation periodReproductionIncubationBiologyDemographyGeneration timeVeterinary medicineMedicinePopulationEcologyGeneticsSociologyVacciniaGeneBiochemistryRecombinant DNAPoxvirus research and outbreaksBacillus and Francisella bacterial researchHerpesvirus Infections and Treatments