Old Fries Suspected Illness - Fried Potatoes, Siwani Haryana

Siwani, 127046 Haryana, India

Suspected food poisoning. Symptoms: Nausea,Vomiting,Fever,Stomach Pain,Chills,Headache
Suspected source: I ate fried potatoes at a local vender who was on holiday for a few days and i think he gave me old fries and heated them again.
Onset: 14 hrs
Duration: Still have them even after 5 days
Sick: Not sure but my cousin who ate with me got sick | Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Chills, Headache