Monday, 24 May 2021 10:16 AM MYT The National University Hospital said that the cause of Yak Hock Hwa's death was cardiology-related based on the symptoms he presented and findings from an electrocardiogram. — TODAY file pic Subscribe to our Telegram channel for the latest updates on news you need to know. SINGAPORE, May 24 — A man who received his first dose of a Covid-19 vaccine died of a heart attack the day after, but the Ministry of Health (MOH) has said that an independent clinical panel found no indication that 57-year-old Yak Hock Hwa’s death was caused by the jab. In response to