Although vaccines need to be stored at cold temperature to ensure its effectiveness, a new icddr,b study has found that oral cholera vaccine is safe without refrigeration, which will help distribute the vaccine easily in  rural areas.

The study showed that the affordable oral cholera vaccine Shanchol is still safe and stimulates significant immune responses even when stored at higher  temperatures.

The findings of the study, which were recently published in the international journal "Vaccine", revealed that Shanchol, the first licensed oral cholera vaccine developed by International Vaccine Institute, does not require to be refrigerated during its distribution.