The popular idea that colds are derived from drafts is greatly

exaggerated
The popular idea that colds are derived from drafts is greatly
exaggerated. A cold of any kind is usually a catarrhal disease of germ
origin, to which a lowered vital resistance is a predisposing cause.

Boos, William F

Boos, William F.: _The Relation of Alcohol to Industrial Accidents and
to Occupational Diseases_, Proceedings of the Fifteenth International
Congress on Hygiene and Demography, Washington, 1912, I, p. 829.