Ice cream has had nearly 75 outbreaks from Salmonella and Staphylococcus bacteria since 1990, reports the CSPI.
Leafy Greens have caused 363 separate outbreaks, making them number one riskiest foods regulated by the US FDA.
Tuna was linked to 2,300 cases of Scombroid illness and 1,000 cases of Norovirus and Salmonella poisoning with 268 outbreaks since 1990.