Health officials say testing has found three more cases of E. coli O157:H7 from an outbreak at the Learning Vine Day Care in Greenwood that has now sickened 13 and killed a 2-year-old boy.

The South Carolina Department of Health and Environmental Control says the three newest cases all involved people who have recovered from the vomiting and diarrhea caused by the bacteria or never showed symptoms.

Health violation at Learning Vine pending correction before reopening are:

-Changing table needs to be adjacent to hand-washing sink in toddler room and two-year-old rooms.

-Medication in refrigerator is not in a locked box in toddler room.

-Front refrigerator in 1-year-old room needs to be cleaned.

-Mop was bucket full of water in bathroom in toddler room.

-Bottle in 1-year-old room was not labeled or covered.

-Kitchen needs probe thermometer to check temperature of food.

-Trash can in kitchen needs to be covered.

-Sanitizing test strips needed in kitchen area.

-Step stool needed in 2-year-old bathroom.

-Trash cans at diapering station needs to be hands free and within reach of changing table.

-Snack food was stored in closet with toilet, diaper trash can, basket with dirty towels.

-Post staff/child ratios in after school classroom.

Learning Vine has a C in the DSS Division of Early Care and Education ABC Quality voluntary rating and improvement program, meaning it meets basic requirements, but C is the lowest of grades in the rating program.