Covid-19: China to donate 100 million vaccine doses to developing countries by end of 2021

China will donate 100 million Covid-19 doses to developing countries by the end of 2021, Chinese president Xi Jinping promised. Xi made the pledge recently during a virtual summit with the leaders of Brazil, Russia, India, and South Africa - which together with China make up the BRICS alliance of emerging economies. "We need to promote global solidarity against COVID-19, join forces to tackle the pandemic, uphold a science-based approach to tracing its origins, and oppose politicization and stigmatization," the Chinese leader said. To date, the country has provided more than 1 billion doses of COVID-19 vaccines to over 100…