Bactericidal human monoclonal antibody 1B1 shows specificity for meningococcal factor H binding protein variant 2 and displaces human factor H oleh Daniele Veggi, Chelsy C. Chesterman, Laura Santini, Ying Huang, Nicola Pacchiani, Jeannette Sierra, Lynn Chen, Jason Laliberte, Federica Bianchi, Roberta Cozzi, Elisabetta Frigimelica, Domenico Maione, Oretta Finco, Matthew J. Bottomley