It is a sigh of relief for Bangladesh, where oral cholera is an endemic disease, as a vaccine called Shanchol which is given as part of routine health services has been tagged safe and will protect children and adults from severe cholera. The findings lend support to the use of the vaccine in routine mass vaccination programmes to help to control cholera in endemic countries. The study shows that even with moderate vaccination coverage, cases of severe life-threatening cholera were reduced by nearly 40 pe...