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Volume 28, Number 10—October 2022

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 Rezza1, and Stefano Merler1Comments to Author 
Author affiliations: Center for Health Emergencies, Fondazione Bruno Kessler, Trento, Italy (G. Guzzetta, V. Marziano, P. Poletti, S. Merler); Directorate General of Health Prevention, Ministry of Health, Rome, Italy (A. Mammone, F. Ferraro, A. Caraglia, A. Rapiti, F. Maraglino, G. Rezza); Directorate General for Health, Lombardy Region, Milano, Italy (D. Cereda); National Institute of Infectious Diseases Lazzaro Spallanzani, Rome (F. Vairo); General Directorate for Personal Care, Health and Welfare, Emilia Romagna Region, Bologna, Italy (G. Mattei)

Main Article


Characteristics of 255 confirmed monkeypox cases reported in Italy through July 8, 2022

M 253 (99.2)
2 (0.8)
Median age, y (range)
37 (20–71)
Clinical symptoms†
Fever 151/222 (68.0)
Rash 248/251 (98.8)
Genital/perianal rash
139/184 (75.5)
Travel abroad in previous 21 d 86/228 (37.7)
Travel to Canary Islands in previous 21 d 25/142 (17.6)

*Values are no. (%) patients except as indicated. †Denominators indicate the total number of available answers.

Main Article

1These senior authors contributed equally to this article.

Page created: August 11, 2022
Page updated: September 21, 2022
Page reviewed: September 21, 2022
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