Antibody mediated enhancement is a feature of: (A) Yellow fever, (B) Dengue heomorrhagic fever, (C) Omsk heomorrhagic fever, (D) Japanese encephalitis
Answer is B. Antibody mediated enhancement is non-neutralizing antibody produced against the first serotype will combine, cover and protect the second serotype from host immune responce.seen in dengue hemorrhagic fever.