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Volume 20, Number 5—May 2014
Research

Carriage Rate and Effects of Vaccination after Outbreaks of Serogroup C Meningococcal Disease, Brazil, 2010

Marco Aurelio Palazzi SáfadiComments to Author , Telma Regina Marques Pinto Carvalhanas, Ana Paula de Lemos, Maria Cecilia Outeiro Gorla, Maristela Salgado, Lucila O. Fukasawa, Maria Gisele Gonçalves, Fabio Higa, Maria Cristina Cunto Brandileone, Claudio Tavares Sacchi, Ana Freitas Ribeiro, Helena Keico Sato, Lucia Ferro Bricks, and José Cassio de Moraes
Author affiliations: Faculdade de Ciências Médicas da Santa Casa, São Paulo, Brazil (M.A.P. Sáfadi, J.C. de Moraes); Centro de Vigilância Epidemiológica Alexandre Vranjac, São Paulo (T.R.M.P. Carvalhanas, A.F. Ribeiro, H.K. Sato); Instituto Adolfo Lutz, São Paulo (A.P. de Lemos, M.C.O. Gorla, M. Salgado, M.G. Gonçalves, L.O. Fukasawa, F. Higa, M.C.C. Brandileone, C.T. Sacchi); Sanofi Pasteur Vaccines, São Paulo (L.F. Bricks)

Main Article

Table 1

Pharyngeal carriage of Neisseria meningitidis among vaccinated and nonvaccinated workers at 2 oil refineries, São Paulo, Brazil, 2010*

N. meningitidis serogroup No. (%) workers
 p value‡
Refinery A* Refinery B† Total
All 51 (21.4) 53 (21.6) 104 (21.5) 1.00
C 15 (6.3) 12 (4.9) 27 (5.6) 0.64
B 4 (1.6) 5 (2.0) 9 (1.9) 1.00
W 4 (1.6) 1 (0.4) 5 (1.0) 0.35
Y 5 (2.1) 2 (0.8) 7 (1.4) 0.43
E 3 (1.2) 5 (2.0) 8 (1.7) 0.76
Nongroupable 20 (8.4) 28 (11.4) 48 (9.9) 0.34
Negative 187 (78.6) 192 (78.4) 379 (78.5)
Total 238 (100.0) 245 (100.0) 483 (100.0)

*Vaccinated workers.
†Unvaccinated workers.
‡By Fisher exact test.

Main Article

Page created: April 16, 2014
Page updated: April 16, 2014
Page reviewed: April 16, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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