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[F1ANNEX IV U.K. AFRICAN HORSE SICKNESS DIAGNOSIS

PART A U.K. Serological tests

2. Blocking ELISA for the detection of antibodies to African horse sickness virus (AHSV) U.K.

2.1. Test procedure U.K.
2.1.1. Solid Phase U.K.
2.1.1.1. Coat ELISA plates with 50-100 ng of recombinant AHSV-4 VP7 diluted in carbonate/bicarbonate buffer, pH 9,6. Incubate overnight at 4 °C. U.K.
2.1.1.2. Wash the plates three times with phosphate buffered saline (PBS) 0,1× containing 0,135 M NaCl and 0,05 % (v/v) Tween 20 (PBST). Gently tap the plates on to absorbent material to remove any residual wash.] U.K.