>>> WJZ IN YOUR CORNER AS A LISTERIA OUTBREAK CONTINUES TO SICKEN PEOPLE ACROSS THE NATION. SO FAR AT LEAST NINE PEOPLE HAVE DIED AND MORE THAN 50 OTHERS HAVE BECOME ILL FROM TAINTED BOARS HEAD DELI MEATS. THERE'VE BEEN AT LEAST EIGHT CASES HERE IN MARYLAND. STEPHON DINGLE JOINS US IN THE STUDIO WITH DETAILS ON HOW TO KEEP YOUR FAMILY SAFE. >> FIRST THINGS FIRST, CHECK ALL THE PRODUCTS YOU MAY HAVE IN YOUR FRIDGE FROM BOARS HEAD. THEY PUT OUT THIS RECALL AFTER FEDERAL INSPECTORS DISCOVERED LISTERIA NEAR THE PRODUCTION LINE AT ITS PLANT IN VIRGINIA. MEDICAL EXPERTS WANT YOU TO BE AWARE OF POTENTIAL SYMPTOMS. >> LISTERIA IS TYPICALLY AN INFECTION THAT CAN BE TRANSMITTED THROUGH CONTAMINATED FOOD, SUCH AS THESE DELI MEATS. >> Reporter: FEDERAL REGULATORS HANDED OUT SEVERAL VIOLATIONS AT THE BOARS HEAD PLANT IN VIRGINIA THAT PROMPTED A NATIONWIDE RECALL OF ITS DELI MEATS BECAUSE OF LISTERIA FOUND THE PRODUCTION LINES. >> IT IS MOSTLY A CONCERN FOR PEOPLE WHO FOR SOME REASON OUR IMMUNOCOMPROMISED, WHETHER THAT IS FROM AN OLDER AGE OR THEY HAVE UNDERLYING CONDITIONS. >> Reporter: SO FAR THIS LISTERIA OUTBREAK HAS CAUSED 57 PEOPLE TO BECOME ILL AND KILLED NINE OTHERS. THAT IS WHY MEDICAL EXPERTS SAY IF YOU MISTAKENLY CONSUMED THE RECALLED PRODUCTS TO LOOK OUT FOR THE SYMPTOMS AND SEEK HELP. >> G.I. SYMPTOMS , NAUSEA, VOMITING, DIARRHEA. IT CAN ALSO HAVE MUSCLE PAIN, FEVER. >> Reporter: THIS IS ESPECIALLY IMPORTANT FOR PREGNANT WOMEN. DOCTORS SAY THEY SHOULD STAY AWAY FROM ALL DELI MEATS TO AVOID COMPLICATIONS AND SICKNESS. FOR EVERYONE ELSE, THEY SAY IT IS SIMPLE. STOP EATING THE RECALLED FOOD. BUT IF IT HAPPENS, YOU WILL KNOW IN DUE TIME. >> YOU WOULD PROBABLY NOTICE SYMPTOMS WITHIN THE NEXT COUPLE OF DAYS. IF YOU HAD A PIECE OF MEAT TWO WEEKS AGO I DON'T THINK YOU NEED TO WORRY. BUT IF THIS WAS SOMETHING THAT HAPPENED JUST RECENTLY AND YOU ARE CONCERNED, YOU KNOW, FIRST OF ALL DON'T CONTINUE TO EAT THE MEAT. >> Reporter: IN RECORDS RELEASED BY THE USDA FOOD SAFETY AND INSPECTION SERVICE REVEALS 69 RECORDS OF NONCOMPLIANCE FLAGGED BY THE AGENCY OVER THE PAST YEAR AT THE BOARS HEAD PLANT IN VIRGINIA. YOU ARE URGED TO DOUBLE