Neisseria meningitidis Serogroup W135 Sequence Type 11, Anhui Province, China, 2011-2013.

The article reports on 15 infections caused by Neisseria meningitidis serogroup W135 sequence type (ST) 11 from 2011 to 2013 in the Chinese town of Hefei in Anhui Province where there was a high risk for epidemic cerebrospinal meningitis. It details the fatal cases of serogroup W135 infection in two teenage boys who have not recently traveled and no history of vaccination with tetravalent polysaccharide vaccine. It also notes the other 13 cases which occurred in close contacts of the boys.