Elisa gone wrong indicate which scenario would result in a false positive or false negative ELISA results $1$ the concentration of the antigeny, $2$ did not sample the correct area of the patient, $3$ inadequat washing the enzyme the enzyme linked antibody $4$ using antibodies and enzymes that are no longer functional $5$ if substrate was exposed to too much light during incubation $6$ the virus is capable of antigenic variation $,7$ skipping the block proteins $,8$ too short of an ancubation time with the patient sample $9$ using pipette that encountered your postive control