Positive test controls include: RD, Mouse brain. Immunogen sequence: NRKPDLRVLI PPGSKNTMPS VSEDVDLLLN QRINNSQSAQ SLATPVVSVA TPTLPGQGMG GYPSAISTTY GTEYSLSSAD LSSLSGFNTA SALHLGSVTG WQQQHLHNMP PSALSQLGAC TSTHLSQSSN LSLPSTQSLN IKSEPVSPPR DRTTTPSRYP QHTRHEAGR