Recognition of Rat Signs for DDT
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U.S. Typhus fever increase; its location and mode of transmission through rats via fleas to humans; eliminating rats; eliminating rat ectoparasites by DDT; conditions favoring rat invasions; recognition of rat sign and applying DDT to rat runways. Photographs and drawings. (CDC-5-027; 70 frames, synchronized disc, 11 minutes)
Complete catalog record
Series: Typhus Control Series
Type: Filmstrip
Type: Filmstrip
Source: 3434 U.S. Government Films · Record added 2026-07-13 14:19:26