Taiwan directly accused China of blocking a deal with German firm BioNTech for Covid-19 vaccines."Taiwan was close to sealing the deal with the German plant, but because of China's intervention, we still can't sign the contract," the island's President Tsai Ing-wen said in a meeting of the ruling Democratic Progressive Party.Taipei had previously "smoothly" ordered shots from AstraZeneca in Britain and Moderna in the United States, Ing-wen said.According to South China Morning Post, this is the first time Taiwan has directly accused Beijing of blocking a deal with BioNTech.Beijing claims full sovereignty over Taiwan, a democracy of almost 24 million people located off the southeastern coast of mainland China, despite the fact that the two.