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ADDITIONAL COPIES

OF THIS PUBLICATION MAY BE PROCURED FROM

THE SUPERINTENDENT OF DOCUMENTS

GOVERNMENT PRINTING OFFICE

WASHINGTON, D. C.

AT

5 CENTS PER COPY

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UNITED STATES PUBLIC HEALTH SERVICE
RUPERT BLUE, SURGEON GENERAL

THE TRANSMISSION OF DISEASE

BY FLIES

BY

ERNEST A. SWEET

Passed Assistant Surgeon
United States Public Health Service

SUPPLEMENT No. 29

TO THE

PUBLIC HEALTH REPORTS

APRIL 14, 1916

WASHINGTON

GOVERNMENT PRINTING OFFICE

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