The child, now 15 months old, contracted the bacteria on a £1,500 Moroccan holiday in September, the family's first foreign trip. The Mevlits, from Palmers Green, believe Melissa ate something which had not been properly cooked or had been reheated at the Royal Atlas hotel.
Mrs Mevlit, 28, said her daughter was sick for three weeks and may suffer long-term health problems. She said: "They put my child's life at risk. We assumed that food would be properly cooked.
"Melissa had a fever as well as vomiting and diarrhoea. We genuinely feared for her health."