PacBio, Collaborators Sequence Haitian Cholera Strain to Pinpoint Origin; Sequencing Completed in Two Days

The study's main conclusion — that the Haitian cholera strain probably originated from South Asia, rather than Latin America, and was introduced by human activity — had already been demonstrated earlier by a team from the US Centers for Disease Control and Prevention, which used DNA fingerprinting technology, but it is disputed by some experts.