Alice Vitoria Gomes Bezerra, a three-month-old who has microcephaly, is held by her father Joao Batista Bezerra on January 27, 2016 in Recife, Brazil. (Mario Tama for Getty Images) (credit: Mario Tama for Getty Images) Over the past several months, talk of a little-known virus went from nervous murmurs in the infectious disease community to piercing front-page headlines all over the world.