WARSAW—Poland will donate 400,000 doses of the AstraZeneca Plc COVID-19 vaccine to Taiwan, the foreign ministry in Warsaw said on Saturday, to help boost vaccination rates in the country. While a relatively small domestic coronavirus outbreak is well under control in Taiwan, only around 5 percent of its 23.5 million population are fully vaccinated, though the government has millions of vaccines on order. It has already received some six million vaccine doses gifted by Japan and the United States, enabling it to speed up an inoculation program that it said had been hampered initially by China, though Beijing denies playing any negative role. Poland says its vaccine donation is a reciprocal move after Taiwan donated medical equipment during the first wave of the pandemic. “Keeping in mind this important gesture, Warsaw will offer Taipei 400,000 doses of the coronavirus vaccine to speed up the vaccination process. Increasing the number of …