The Virginia Department of Health (VDH) has initiated an investigation after receiving numerous reports of gastrointestinal illnesses, including cases of E. coli bacteria, among visitors to Lake Anna State Park in Spotsylvania, Virginia, during the Memorial Day holiday weekend. According to the VDH, there have been a total of 20 reported cases of Shiga toxin-producing E. coli and 5 cases of hemolytic uremic syndrome (HUS), with an additional 10 cases under investigation as of June 12.

Individuals who fell ill reported swimming in Lake Anna or being exposed to the 13,000-acre lake, a popular destination in Virginia. However, the VDH has not yet confirmed whether the lake itself or a specific area within it is the source of the illnesses. The agency has ruled out illness caused by harmful algal bloom, as current algae levels in the lake are within the typical range.

So far, at least 9 people have been hospitalized, and those affected began experiencing symptoms between May 27 and June 4. The VDH is awaiting further results from lake water testing conducted by the Virginia Department of Environmental Quality on June 11.

Dr. Olugbenga O. Obasanjo, the Rappahannock Health District health director, expressed hopes for the recovery of those hospitalized, emphasizing that the investigation is ongoing and more information is expected to emerge in the coming days.

Escherichia coli (E. coli) is a type of bacteria commonly found in various environments, including water, food, and the bodies of humans and animals. While most strains of E. coli are harmless, there are specific strains that can cause illness, particularly in children who may experience more severe symptoms compared to adults.

Symptoms of E. coli infection may include high fever, severe stomach cramps, bloody or watery diarrhea, vomiting, urinary tract infections, pneumonia, sepsis, and more. Children under 5, older adults over 65, and individuals with weakened immune systems are at a higher risk of infection.

Of particular concern is the potential for hemolytic uremic syndrome (HUS) caused by Shiga toxin-producing E. coli. HUS can lead to kidney failure, permanent health issues, and even death. The CDC advises immediate medical attention for anyone experiencing diarrhea or vomiting lasting more than two days, bloody stool or urine, a fever higher than 102°F, signs of dehydration, or symptoms of HUS.

Treatment for E. coli illnesses involves increased fluid intake, anti-diarrheal medication, and in some cases, antibiotics, according to the CDC.

While the VDH does not currently have enough information to issue a swimming advisory, they encourage caution when swimming and urge the public to follow swimming and boating safety guidelines.

As the investigation into the outbreak continues, the VDH is determined to identify the source of contamination to prevent future occurrences and ensure the safety of visitors to Lake Anna State Park.