Uptake of pandemic influenza (H1N1)-2009 vaccines in Brazil, 2010

► We reviewed strategies to promote uptake of pandemic influenza vaccines in Brazil. ► Uptake of pandemic influenza vaccines was high among targeted groups. ► Priority groups were targeted in phased campaign strategy. ► This was the largest vaccination campaign ever conducted in Brazil. ► Uptake of influenza vaccines in Brazil was higher than in many countries.