Residents of Jackson and Flowood, Mississippi, had been advised to boil their water after routine water samples tested positive for E. coli.

The USDA said customers who bought ground beef sold in HelloFresh meal kits in July should discard it over a possible E. coli contamination.

Health officials said there are 84 E. coli cases in four states, most associated with lettuce found in Wendy's sandwiches as Wendy's has removed the lettuce from those locations.

The illnesses have been reported in Michigan, Ohio, Indiana and Pennsylvania.

Wendy's has removed romaine lettuce used in some of its sandwiches at several locations after a number of people reported getting sick after eating those menu items.

Dr. Alok Patel, ABC News contributor and physician at Stanford Children's Health, discusses the symptoms of E. coli infections and how to keep yourself safe.

Lakeside Refrigerated Services announced that over 42,000-pounds of ground beef in seven products have been recalled due to E. coli concerns.

Lakeside Refrigerated Services has recalled nearly 42,922 pounds of ground beef the U.S. Department of Agriculture announced.

Over 100 people are sick from an E.coli outbreak in romaine lettuce, according to the FDA.

Salad products have been recalled over fears of a potential E. coli contamination.

Missa Bay, LLC, a New Jersey company, issued the recall for 97,272 pounds of salad products containing meat or poultry.

Twenty-one people in Connecticut, Florida, Michigan, Missouri, New Jersey, New York and Pennsylvania have been infected with the E. coli O103 and O121 strains.

Jedidiah King Cabezuela attended the San Diego County Fair Grounds and petting zoo on June 15, and his family said he was in and out of the hospital before his kidneys failed on June 24.

The Nassau County Department of Health placed a boil water order in effect for the city of Long Beach and provided bottled water for the community.

There have been 59 reported cases connected to the outbreak.

Some E. coli strains produce a toxin that can be deadly.

To help shoppers identify potentially contaminated lettuce, producers are going to start labeling the source of their greens along with a harvest date.

The Centers for Disease Control and Prevention issued an urgent warning after 32 people were have been infected with E. Coli across 11 states.

This is different from a recent multistate E.Coli outbreak connected to romaine lettuce.

This is different from a recent multistate E.coli outbreak connected to romaine lettuce.

Escherichilia coli, or E. Coli, is a large group of bacteria with multiple strains.

The gorillas' 8-month-old baby, Zahra, is now an orphan.

The outbreak killed five and sickened 197 people ill across 35 states, the report said.

The CDC is still advising consumers to avoid all romaine lettuce from the Yuma, Arizona, region.

The CDC is still advising consumers to avoid all romaine lettuce from the Yuma, Arizona, region.

CDC recommends that romaine lettuce from Yuma, Arizona be thrown out.

CDC recommends that romaine lettuce from Yuma, Arizona be thrown out.

Federal and state health officials are investigating an outbreak of 12 cases of E. coli reported in several states.

Officials are investigating 12 reported cases of E. coli infections.

Multi-state E.coli outbreak has sickened at least seven.

An E. coli outbreak has been linked to specific flour products from General Mills

The superbug has a gene that makes it resistant to treatment from colisitin.

Make sure you bake your cookies to avoid getting sick.