On the epidemiology of influenza: reply to Radonovich et al

John J Cannell¹ , Michael Zasloff² , Cedric F Garland³ , Robert Scragg⁴ and Edward Giovannucci⁵

¹  Department of Psychiatry, Atascadero State Hospital, 10333 El Camino Real, Atascadero, CA 93423, USA

²  Departments of Surgery and Pediatrics, Georgetown University, Washington, DC, USA

³  Department of Family and Preventive Medicine, University of California San Diego, La Jolla, CA, USA

⁴  Department of Epidemiology and Biostatistics, University of Auckland, Auckland, New Zealand

⁵  Departments of Nutrition and Epidemiology, Harvard School of Public Health, Boston, MA, USA