Twenty-two illnesses have been reported, according to the news release.
The eggs have the potential of being contaminated with salmonella braenderup. The organism can cause serious and sometimes fatal infections in vulnerable populations, including young children, frail or elderly people and others with weakened immune systems, according to the FDA. Symptoms can include fever, diarrhea, nausea, vomiting and abdominal pain.
This is the largest shell egg recall since 2010, Food Safety News reports.