Influenza
Transcriber’s Note:
New original cover art included with this eBook is granted to the public domain.
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,
Warren T. Vaughan
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PREFACE.
CONTENTS
SECTION I.
Historical.
Clinical and Epidemiologic Identification.
General Characteristics of Early Epidemic Outbreaks.
Symptoms in Former Epidemics.
Manner of Spread.
General Manner of Spread in Individual Localities.
Spread in Countries and Continents.
SECTION II.
Influenza Epidemics Since 1893.
Occurrence Since 1893.
The Pandemic of 1918.
Date of First Increased Prevalence in Various Localities.
Autumn Spread in the United States.
Recrudescences.
Recurrences in Winter of 1919–1920.
Incubation Period.
Predisposing Causes.
Periodicity.
Virulence Enhancement.
Origin of the 1918 Pandemic.
SECTION III.
An Investigation of Influenza in Boston During the Winter of 1920.
Morbidity.
Mortality.
SECTION IV.
An Intensive Study of the Spread of Influenza in Small Groups of Closely Associated Individuals.
SECTION V.
Immunity.
SECTION VI.
Influenza and Other Diseases.
SECTION VII.
Comparison of Influenza with Other Epidemic Diseases.
SECTION VIII.
The Prevention and Control of Influenza.
BIBLIOGRAPHY.
APPENDIX
