I det andet forsøg blev 66 fritter opdelt i 6 kohorter à 11 fritter og enten immuniseret på dag 0 og dag 21 med 3, 75 µg eller 7, 5 µg med Indonesien- vaccinen, eller vaccination blev imiteret.
In a second study, sixty-six ferrets were divided into 6 cohorts of 11 ferrets and were immunized on days 0 and 21 with 3.75 µg or 7.5 µg of the Indonesia vaccine or were sham vaccinated.