... cross-protectionmainly relies on the cell-mediated immune responsesinduced by infection.Though the cross-protection provided by infectioncould play a role in alleviating symptoms of H5N1 infec-tion and reducing ... mice.Conclusions: Pre-existing immunity against seasonal influenza viruses is useful in offering protection against H5N1infection. DNA vaccination may be a quick and effective strategy for persons ... 10):2559-2564.29. Epstein SL, Kong WP, Misplon JA, Lo CY, Tumpey TM, Xu L, Nabel GJ:Protection against multiple influenza A subtypes by vaccination withhighly conserved nucleoprotein. Vaccine...