The Brazilian municipality of Boa Vista experienced a huge influx of Venezuelan migrants in the 2010s. By 2018, its public services were overloaded, and a measles outbreak, traced back to a Venezuelan child, was spreading quickly. Mayor Teresa Surita had prioritised integrating Venezuelans into the community, but faced a dilemma as the measles cases spread and anti-immigrant sentiment started to rise. Should she recalibrate her strategy?