{Reference Type}: Journal Article {Title}: Population-Based Serologic Survey of Vibrio cholerae Antibody Titers before Cholera Outbreak, Haiti, 2022. {Author}: Clutter CH;Klarman MB;Cajusma Y;Cato ET;Abu Sayeed M;Brinkley L;Jensen O;Baril C;De Rochars VMB;Azman AS;Long MT;Cummings D;Leung DT;Nelson EJ; {Journal}: Emerg Infect Dis {Volume}: 29 {Issue}: 9 {Year}: 2023 09 {Factor}: 16.126 {DOI}: 10.3201/eid2909.230174 {Abstract}: A Vibrio cholerae O1 outbreak emerged in Haiti in October 2022 after years of cholera absence. In samples from a 2021 serosurvey, we found lower circulating antibodies against V. cholerae lipopolysaccharide in children <5 years of age and no vibriocidal antibodies, suggesting high susceptibility to cholera, especially among young children.