Continuing Effectiveness of Serogroup A Meningococcal Conjugate Vaccine, Chad, 2013

Kadidja Gamougam, Doumagoum Moto Daugla, J Toralta, C Ngadoua, Florence Fermon, Anne‐Laure Page, Mamoudou Harouna Djingarey, Dominique A. Caugant, Olivier Manigart, Caroline Trotter,

Emerging infectious diseases · 2014 · 39 citations · 10 references

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Abstract

In 2011, vaccination with a serogroup A meningococcal polysaccharide conjugate vaccine was implemented in 3 of 23 regions in Chad. Cases of meningitis declined dramatically in vaccinated areas, but an epidemic continued in the rest of Chad. In 2012, the remaining Chad population was vaccinated, and the epidemic was halted.

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