7. Discuss the limitations of using antigen concentration to deduce the path of infection. Be sure to refer to the workings of the human immune system.
8. The ELISA test can also be used to detect antibodies that are produced in response to a specific antigen. Using information about how you completed this ELISA experiment, outline a procedure for testing for antibodies in the blood.
9. Explain why in sudden outbreaks, it may be better to test for disease antigens rather than for antibodies. The antibodies are there to help and kill of the antigens, but don’t contain the whole DNA strand. The antigens have the specific DNA strand the scientists are