A disease is spresding across the country at an alarming rate 50% of the people who get it get better on the ow own. The remainin developed in a hurry. The A and B, have beed you have is : Serum A 3 patients who were given all survived SerumB 7 out of 8 patilnts given a suruived diserse, you can only take ohe serum the diserse, you Chin only trke ohe serum which one do you choose? why!.