Observational study of nasopharyngeal carriage of Neisseria meningitidis in applicants to a military academy in the Russian Federation.

Objective: To determine the carriage and the serogroup distribution of Neisseria meningitidis in military academy applicants in the Russian Federation.

Design: This was a prospective, observational study of adults aged >18years from a military academy; applicants who had samples taken on arrival (Day 1), and applicants who had samples taken after passing exams (Day 30) and 60days after arrival. N.