FHV (щам F2).................................................................................................................. ≥ 104. 9 CCID50 FCV (щамове 431 и G1)............................................................................................... ≥ 2. 0 ELISA U.
FHV (στέλεχος F2)............................................................................................................  104, 9 CCID 50 FCV (στελέχη 431 και G1)..............................................................................................  2, 0 ELISA U.