Feline Virus Pneumonia and Its Possible Relation to Some Cases of Primary Atypical Pneumonia in Man *

TION TO SOME CASES OF PRIMARY ATYPICAL PNEUMONIA IN MAN* FRANCIS G. BLAKE, MARION E. HOWARD, AND HUGH TATLOCKT On November 7, 1941, a young farmer from Jewett City, Connecticut, was admitted to the Medical Service of the New Haven Hospital with an illness which resembled primary atypical pneumonia of the type which has been increasingly prevalent since 1934 1, 5, 6, 10, 19-21, , 29, 31-33 , 33742 44, 46 and is presumed to be of virus etiology.5' 32, 38, 41, 47, 50 The history revealed not only that two other members of the household had recently had a similar illness and that one was sick at home, but also that eight of twelve cats on the farm had died of a respiratory disease during October and that two of the remaining four were sick with the same illness (Chart 1). The possibility that the afflicted members of the family