Health officials are reporting a deadly outbreak of cholera in the South African province of Gauteng

Authorities say nearly 50 people have died, with most of the deaths concentrated in the Hammanskraal area. Cases have been reported in other areas as well.  

Medical officials have urged residents to be vigilant about what they consume and to practice good hygiene, like hand washing.    

Cholera mainly spreads through contaminated water or food.  

Symptoms include diarrhea, vomiting and dehydration.
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