抄録
1) Experimental treament of various infections of viruses was conducted with mitomycin A and C.
2) The mitomycins showed some therapeutic effect on the infection caused by the large viruses, such as sheep pneumonia virus, but no curative effect on the infections caused by the small viruses, for example, influenza A, Newcastle disease and Japanese encephalitis viruses.
The authors wish to thank Dr. Numata, Dr. Kasahara, Dr. Matsubayashi, Dr. Fukuzumi, Dr. Kasuga and Dr. Nagaki of the Kitasato Institute for their kind helps and Dr. Kamata and Dr. Wakaki of the Kyowa Fermenting Industry Company for supplying us with the mitomycins.