JAMA 100 Years Ago Section Editor: Jennifer
Reiling, Editorial Assistant.
Malarial fever prevails especially where heat, moisture and decomposing
vegetation are present because these are favorable to the existence of mosquitoes.
Malarial infection occurs most commonly after sunset, because mosquitoes,
after remaining in hiding during the day, set out upon their depredations
after dark. The infection is not widely diffused in a horizontal, oblique
or vertical direction because mosquitoes do not fly far from their place of
origin, and especially not to a great height. The infection is not conveyed,
but rather hindered, by winds, because the insects do not leave their hiding-places
when the wind blows. Woods, instead of preventing, may be foci of malarial
infection, because the mosquitoes make their hiding places in damp woods and
MALARIAL FEVER. JAMA. 2001;285(3):265. doi:10.1001/jama.285.3.265
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