Potential cholera vaccine target discovered (VIDEO) Massachusetts General Hospital This video is under embargo. Please login to access this video. Caption Investigators at Massachusetts General Hospital analyzed antibodies recovered from humans who survived cholera. Experiments showed that the antibodies block the bacterium's ability to swim, a finding that may help scientists develop a more effective vaccine. Credit Massachusetts General Hospital Usage Restrictions Please ask permission. 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.