1. Flies carry germs causing many diseases Publication: London : Proprietors of "The medical officer" by permission of the Dept. of Public Health, Queensland, [19--] Subject(s): Diptera -- pathogenicityInsect VectorsFood Contamination -- prevention & control
2. When a fly wipes his feet on your food he's spreading disease Publication: [Washington, D.C.] : War Dept. : U.S. G.P.O., 1944 Subject(s): Food Contamination -- prevention & controlDiptera -- pathogenicityInsect Vectors