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L1L2 pseudovirus neutralization titers prior to and post antibody enrichment on non-vaccine L1 VLP.
Serum samples (A–F) were enriched on VLP representing non-vaccine A9 types. The neutralization titer against pseudoviruses (PsV) representing HPV16, HPV31 and another relevant type were determined for the serum samples prior to and post enrichment.
