[Nigeria Health Watch] Leaders from across the world working on various aspects of health emergency preparedness and response gathered in Rio de Janeiro, Brazil for the second Global Pandemic Preparedness Summit, convened by the Coalition for Epidemic Preparedness Innovations (CEPI). This year, the summit was co-hosted by the Ministry of Health (Brazil), and Fiocruz, one of the oldest public health institutions in the world, and Nigeria Health Watch were invited to attend.