What is the fine-grained topic of the following text: Not only this, there has been a lot of cases of cholera outbreak in the community due to the rains washing the excreta to the stream.The stench that comes out from that place is so pungent that it pollutes the entire community and anyone entering the community will definitely perceive the foul odor. Only return the topic.
Cholera outbreak due to poor sanitation in a community.