  ljiecnz0 > residual hpv l1 gene dna fragments are present in the protein-based quadrivalent hpv vaccine. these dna fragments are found to be firmly bound to the insoluble aahs adjuvant particles. the clinical significance of these residual hpv dna fragments bound to aahs is not clear after intramuscular injection, and needs further investigation for vaccination safety.   ce/article/abs/pii/s016201341200267 x
Poland