BBC News:-  Taiwan has begun administering its first domestically developed Covid-19 vaccine, amid criticism that its approval was rushed. The island's health ministry authorised emergency use of the Medigen vaccine last month although clinical trials are yet to be completed. Taiwan's vaccination efforts have been hampered by delivery delays and hesitancy amongst its population. President Tsai Ing-wen led the way in receiving the Medigen jab on Monday. At the time of its approval, the vaccine - made by Medigen Vaccine Biologics Corp - has yet to complete phase three trials but was granted emergency approval by regulators. The company said