Rhinoviruses.

sof the Annual Meeting of the American Society for Microbiology (May 6-11, 1973), p.114. 28.Couch, R. B., Cate, T.R., Douglas, R. G., Jr., Gerone, P. J., and Knight, V. Effect of route ofinoculation onexperimental respiratory viral disease in volunteers and evidence for airbornetransmission. Bact. Rev.30,517 (1966).29.Coulehan, J.L., Reisinger, K.S., Rogers, K. D., and Bradley, D. W. Vitamin Cprophylaxis in aboarding school. N.Engl. J.Med. 290,6 (1974). 30.Crandell, R. A. Adescription of eight feline picornaviruses and an attempt toclassify them. Proc.Soc. Exp. Biol. Med. 126, 240 (1967)..31. Craighead, J. E., Meier, M., and Cooley, M. H., Pulmonary infection due to rhinovirus type 13, N.Engl. J.Med. 281, 1403 (1969).32.D'Alessio, D., Dick, C. R., and Dick, E.C., Transmission of rhinovirus type 55 in human volun-teers. In "International Virology 2" (J. L.Melnick, Ed.), p. 115, S. Karger, Basel, 1972. 33.Dans, P. E., Forsyth, B. R., and Chanock, R. M., Density of infectious virus andcomplement-fixingantigens of two rhinovirus strains. J. Bactiol. 91, 1605 (1966).34.Dick, E.C., Experimental infection of chimpanzees with human rhinovirus type 14and 43. Proc. Soc. Exp. Biol. Med. 127, 1079 (1968). 40JACK MERRIT GWALTNEY, JR. 35.Dick, E.C., Blumer, C. R., and Evans, A.S., Epidemiology of infections with rhinovirus types 43and 55 in a group of University of Wisconsin student families. Amer. J. Epidemiol. 86, 386 (1967).36.Dingle, J.H., Badger, G. F., and Jordan, W.S., Jr., Patterns of illness. In "Illness in the Home," p. 19, Western ReserveUniversity, Cleveland, 1964. 37. Ditchfield, W. J. B.,Rhinoviruses and parainfluenza viruses of horses. J. Amer. Vet. Med. Assoc.