NHS workers after seeing them upset over Covid-19 on the news.Paddy Joyce became overwhelmed by the virus death statistics and started to pen letters to front line workers to help ease his anxiety.The 17-year-old, from Glasgow, has hand-written 663 individually named cards to members of the Glasgow Royal Infirmary to send them his support for their hard work during the pandemic.Paddy, who has autism with significant global development delays, is hoping to send more than 5,000 cards by the end of