The Study follows Strobe Guidelines
Database: data are available on
http://www.protezionecivile.gov.it/attivita-rischi/rischio-sanitario/emergenze/coronavirus
Statistic calculate were performed using Microsoft Excel® and
STATA 16® program (STATA Corp LP 4905 Lakeway Drive TX 77845 USA by a
physician (with statistic competence) and by an engineer: all calculate
were attached as supplementary file.
Conflict of Interest Disclosures: none
Acknowledgments: Special thanks to Dr. Giuliano Carrozzi,
Epidemiology Azienda AUSL Modena, Italy