Letter in response to article in journal of infection: Impact of routine infant BCG vaccination on COVID-19

Affiliations

• ¹ Epidemiology Unit, Central Tuscany Local Health Authority, Via di San Salvi 12, 50135, Florence, Italy. Electronic address: miriam.levi@uslcentro.toscana.it.
• ² Epidemiology Unit, Central Tuscany Local Health Authority, Via di San Salvi 12, 50135, Florence, Italy.
• ³ Epidemiologic observatory, Regional Health Agency of Tuscany, Via Pietro Dazzi 1, 50124, Florence, Italy.
• ⁴ Institute of Agriculture Biology and Biotechnology, National Research Council (CNR), Via Moruzzi 1, 56124, Pisa, Italy.
• ⁵ Department of Biology, University of Florence, Via Madonna del Piano 6, Sesto Fiorentino, (FI), Italy.