TN man dies a day after taking Covishield Sources close to his family said that Simon later switched his job and was working from home for a Bengaluru-based company for the past four months. Share Via Email | A+A A- By Express News Service MADURAI: In a suspected serious Adverse Event Following Immunisation (AEFI), a 29-year-old techie died on the way to Government Rajaji Hospital (GRH) on Saturday, within 21 hours of taking the first dose of Covishield vaccine. The deceased has been identified as D Andrew Simon, a resident of New Vilangudi. He was working as a software engineer in the United Kingdom and had returned to Madurai in August last. He had been working from home since then.