TY - RPRT TI - Seroprotection rate, mean fold increase, seroconversion rate: which parameter adequately expresses seroresponse to influenza vaccination? AU - W E P Beyer AU - A M Palache AU - G Lüchters AU - J Nauta AU - A D M E Osterhaus PY - 2004 DO - 10.1016/j.virusres.2004.02.024 UR - https://pubmed.ncbi.nlm.nih.gov/15163500/ ID - 15163500 ER -