From the Center for Disease Control

Abstract

Journal Article From the Center for Disease Control Get access William G. Winkler, D.V.M. William G. Winkler, D.V.M. Viral Diseases Branch Epidemiology Program Center for Disease ControlAtlanta, Georgia Search for other works by this author on: Oxford Academic PubMed Google Scholar The Journal of Infectious Diseases, Volume 126, Issue 5, November 1972, Pages 565–567, https://doi.org/10.1093/infdis/126.5.565 Published: 01 November 1972