1. School of Biology, Georgia Institute of Technology, 2Meningitis and Vaccine Preventable Diseases Branch, Centers for Disease Control and Prevention (CDC), 3Biotechnology Core Facility Branch, Division of Scientific Resources, National Center for Preparedness, Detection, and Control of Infectious Diseases (NCPDCID), CDC, Atlanta, GA 30333, USA and 4PanAmerican Bioinformatics Institute, Santa Marta, Magdalena, Colombia