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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
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