A warehouseman aged 31 working in a pharmaceutical factory got an occupational contact dermatitis to virginiamycin (factor M), an antibiotic used as a food additive for pigs and poultry. A review is made of contact dermatitis to virginiamycin and to pristinamycin.
Tennstedt, D., Dumont-Fruytier, M., & Lachapelle, J.-M. (1978). Occupational allergic contact dermatitis to virginiamycin, an antibiotic used as a food additive for pigs and poultry. Contact dermatitis, 4(3), 133-134. https://hdl.handle.net/2078.5/128162 (Original work published 1978)