Brazil's government will of course buy a Chinese COVID-19 vaccine that is being tested in the country, Vice President Hamilton Mourão said on Friday, in the latest example of him contradicting President Jair Bolsonaro.
Scientists at Imperial College London will start the first clinical trials of a potential COVID-19 vaccine this week with more than 45 million pounds (US$56.50 million) in backing from the UK government and philanthropic donors.