Tuna poisoning cases linked to Sydney cafe rises to seven

Three more people have been struck down with food poisoning after eating tuna at a café in Sydney's CBD.

The number of suspected cases of scombroid fish poisoning is now at seven, Fairfax Media reports.

All had ordered tuna salad from the Soul Origin cafe near Town Hall station, with the first four becoming ill after eating there on Monday.

All have showed symptoms of scombroid poisoning, including skin rashes, dizziness, tingling in the mouth and nausea.

The NSW Food Authority has now recalled John Bull Tuna Chunky Style in Sunflower Oil, which is imported from Thailand by a Victorian company.

The Food Authority is still investigating Soul Origin café, and said storing the fish at an incorrect temperature could have caused it to become toxic.

The cafe denied it failed to meet hygiene standards but said it is no longer going to serve tinned tuna.

The scombroid fish poisoning incident comes a week after a nationwide Hepatitis A scare involving frozen berries imported from China.

Twenty-one people have so far been diagnosed with hepatitis A linked to the berries.

Source: Fairfax Media