Impact of the tetra viral vaccine introduction on varicella morbidity and mortality in the Brazilian macro regions Marcella Z. Ribeiro; Emil Kupek; Paulo V.Z. Ribeiro; Carlos Eduardo Andrade Pinheiro;

Evaluation of varicella vaccine effectiveness as public health tool for increasing scientific evidence and improving vaccination programs Francesco Vitale; Emanuele Amodio;

The challenges of neonatal sepsis management Renato Soibelmann Procianoy; Rita C. Silveira;