Studies on Survival of Influenza Virus Between Epidemics and Antigenic Variants of the Virus.
Graphs, tables. 8 pages (pp. 171-178) IN: American Journal of Public Health, Vol. 39, No. 2. Slim 8vo, original orange printed wrappers. N.Y., 1949. First Edition. Whole number offered entire. Recovery of influenza C virus. GM 5500. More