A 23-year-old resident of Punjab's Patiala town, admitted to a Chandigarh hospital, has tested positive for the influenza A (H1N1) virus.

Officials said the patient from Patiala, about 70 km from here, had returned from Thailand last week. On Friday, he approached doctors at the Postgraduate Institute of Medical Education and Research (PGIMER) here with complaints of fever and cold.