Regina Oliveira with her son Davi, 6. He was born with microcephaly cause by a Zika virus infection Regina got when she was pregnant. The virus is transmitted by the mosquito Aedes Aegypti and caused thousands of children to be born with this same condition in 2015 in Brazil - specially in the Northeast region. Davi is one of the most severe cases, since his mother also had toxoplasmosis during the pregnancy. They live with his older sister Gabriele in Cacimba de Dentro, a small town in the arid countryside of the state of Paraíba..Cacimba de Dentro, Brazil, Feb. 15, 2022.