Waldor Lab (IMAGE) Howard Hughes Medical Institute Caption In a quest to halt cholera outbreaks, researchers (shown left to right) Brandon Sit, Alyson Warr, Gabriel Billings, Matthew Waldor, Troy Hubbard and colleagues have designed a new vaccine. Credit Matthew Waldor Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.