Acknowledgments
IB Campos received a scholarship from Science without Borders of CNPq
(200910/2012-4) to evaluate the quality of the different vaccines at
Boston Children’s Hospital. This work was supported by PATH. The authors
would like to thank Claudia Fiaschi, Alessandra Cardoso, Raimunda
Ferreira, Marilene Barbosa, Izabel Vieira, Nelson Gonzaga for technical
support.