The constant presence of filariasis in the cities border ing San Francisco Bay has long rendered it desirable to know if the indigenous mosquitoes of this region are afficient hosts for the parasite at the temperature normally found in this part of California. In other words it is a desideratum to learn if an Oriental infected with filariæ residing, for instance, in Oakland might be a menace to the community in which he lives. With this object in mind we have undertaken some experiments.
REPORT OF EXPERIMENTS
The Source of the Filariæ.—
A Japanese man, aged 29, was found on Dec. 10, 1909, to have sharp-tailed, sheathed filarial embryos in his night blood. This man came to San Francisco six years ago from Japan, stopping at Hawaii three months on the way. He went to Alaska four years ago and since his return to California ha residd or three yers
WELLMAN C, VON ADELUNG E, EASTMAN FM. THE RELATION OF MOSQUITOES TO FILARIASIS IN THE REGION OF SAN FRANCISCO BAY. JAMA. 1910;55(3):217–218. doi:10.1001/jama.1910.04330030039015
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