KOZHIKODE: A man who collapsed and died under observation tested negative for COVID-19. The results of Beeran Koya, a native of Perumanna in Kozhikode tested negative. Koya, who came from Bengaluru on June 4 was taken to the hospital when he collapsed while under observation. He had diabetes and blood pressure. Meantime, Saleela Thomas, a native of Pavookkara in Alappuzha who was under observation died. She died of cardiac arrest and her swab samples have been sent for examination.