result
material
diagram 4
diagram
figure 2

haha
diagram 2 new

haha
diagram 2

There are 17 students share their “body fluid”. Obviously, 11 students who doesn’t have disease agents in their tube in original. We follow the track and could make a conclusion as table 2 show:
diagram

This diagram show only Nathaly, Sadia and Ana are negative. The rest students are not Original people spread to other people.They should be all negative in original.
figure 1

figure science
figure

there are something about my science project/////////////////////////