The causation of influenza, sometimes called by its French name 'la grippe' / reported by Henry B. Baker.
- Michigan. State Board of Health
- Date:
- [1891]
Licence: Public Domain Mark
Credit: The causation of influenza, sometimes called by its French name 'la grippe' / reported by Henry B. Baker. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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![THE CAUSATION OF INFLUENZA. SOMETIMES CALLED BY ITS FRENCH NAME »LA GRIPPE.' [Reprinted from the Abstract of the Proceedings of the Michigan State Board of Health, al IJ^I^i^nnual Meeting, April 14,1891, consisting of a part of the Secretary's report of the condition of HeMt)^ i^-l^ich- igan during the first quarter of the year 1891, and of the discussion following the same.] [Reprint No. 347.] REPORTED BY HENRY B. BAKER, M. D., SECRETARY OF THE STATE BOARD OF HEALTH. Meteorology^^ and Sickness from all causes, first quarter of 1891, compared with the average for the five years, 1886-1890. A Comparison of the meteorological conditions* of the first quarter of 1891, with the average for the first quarters in the five years, 1886-1890, shows that in 1891, the temperature was higher,'}* the absolute humidity was slightly more, the relative humidity was about the same, the average velocity of the wind was nearly the same,J the day ozone and the night * These statements of meteorological conditions are from observations at Lansing only; but, hereto- fore, such observations, at the central station, have been found to supply a tolerably fair average of those for the State. For the Annual Report, it will be possible to study results of observations at several sta- tions in Michigan. Sergeant Conger, Director of the Michigan State Weather Service, publishes in the Monthly Report of the Michigan Weather Service, the average temperature, throughout the State, as higher in January and February, and slightly lower in March, 1891, than for the corresponding months in the preceding fifteen years, the average prevailing wind, for the State, for January, 1891, (42 stations) as southwest, for February (43 stations), west, and for March (39 stations), northeast. tHigher in January and February, and slightly lower in March. tThe direction of the wind is stated in paragraphs following this.](https://iiif.wellcomecollection.org/image/b22275368_0003.jp2/full/800%2C/0/default.jpg)