RT Journal A1 HERB IC T1 EXperimental parotitis JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1909 FD September 1 VO IV IS 3 SP 201 OP 217 DO 10.1001/archinte.1909.00050190010002 UL http://dx.doi.org/10.1001/archinte.1909.00050190010002 AB The most noteworthy study of the bacteriology of mumps is by Laveran and Catrin,1 who in 1893 described a diplococcus in the exudate which they obtained by aspiration of the parotid gland. They found this diplococcus 67 times in 92 cases; 39 times the organism was obtained in pure culture, twice in mixed culture, and 15 times the result was negative. The 15 negative results they attribute to the small quantity of exudate obtained. In 16 cases of secondary orchitis pure culture was obtained 12 times, once with contamination and three times they obtained no growth. The organism was obtained from the blood during the height of the fever 10 times in 15 examinations. Three times pure cultures were obtained from the edema of the overlying tissue of the gland and once from the exudate of a joint. They found it fatal in large doses to white