by Fernanda Ferreira figures by Daniel Utter There are tens of thousands of buildings in São Paulo, the largest city in the Western hemisphere and Brazil’s financial center. From the sky, São Paulo looks like a fossilized forest of concrete trees. From the ground, it’s a pulsing behemoth, every avenue crammed with cars and people. The urban sprawl of Metropolitan São Paulo engulfs 39 municipalities … Continue reading Disease Never Sleeps: Yellow fever and the importance of vaccine stockpiles in emergency epidemic prevention