A nurse prepares the Moderna Covid-19 vaccine, at the West Wales General Hospital in Carmarthen, the third vaccine to be approved for use in the UK, which is to be given to patients in Wales from Wednesday. Picture date: Wednesday April 7, 2021. PA Photo. Five thousand doses of the vaccine were sent to vaccination centres in the Hywel Dda University Health Board area on Tuesday. The vaccine's approval by the UK's Medicines and Healthcare products Regulatory Agency was announced on January 8. The UK has bought 17 million doses of the Moderna jab ??? enough for 8.5 million people. See PA story HEALTH Coronavirus. Photo credit should read: Jacob King/PA Wire