A case is described of occupational asthma caused by indirect exposure to airborne latex allergens in an administrative hospital employee who never used latex gloves.
Vandenplas, O., Delwiche, J. P., & Sibille, Y. (1996). Occupational asthma due to latex in a hospital administrative employee. Thorax, 51(4), 452-453. https://hdl.handle.net/2078.5/62804 (Original work published 1996)