The Waco-McLennan County Public Health District is investigating an increasing level of Shigellosis cases in McLennan County this year.
Shigellosis is a disease caused by bacteria called Shigella and those infected may experience diarrhea, fever, vomiting and stomach cramps.
There have been 77 cases reported to the health district in the last six months, compared to only three cases in 2009.
The majority of cases are children under 5-years-old.
Anyone who may have been exposed to the bacteria or may have Shigellosis is urged to contact their doctor. Antibiotics are usually prescribed for treatment.