Transcriber’s Note:
New original cover art included with this eBook is granted to the public domain.
INFLUENZA
An Epidemiologic Study
BY
WARREN T. VAUGHAN, M.D.
BALTIMORE, MD.
THE AMERICAN JOURNAL OF HYGIENE
Monographic Series No. 1
1921
Copyright, 1921, by
The American Journal of Hygiene
Baltimore, Md.
Press of
The New Era Printing Company,
Lancaster, Pa.