The age group distribution of the ill and well persons who w

The age group distribution of the ill and well persons who were exposed to the virus is shown below: Age Group Number IN Number Well Age Specific Attack Rate 0-14 1.989 11.743 15-44 5.616 58.911 45+ 2.138 19.603

Solution

age group number (ill) number (well) total age specific attack rate 0-14 1,989 11,743 13,732 14.48% 15--44 5,616 58,911 64,527 8.7% 45+ 2,138 19,603 21,741 9.83%