In this picture taken on April 29, 2020, an engineer looks at monkey kidney cells as he make a test on an experimental vaccine for the COVID-19 coronavirus inside the Cells Culture Room laboratory at the Sinovac Biotech facilities in Beijing. Sinovac Biotech, which is conducting one of the four clinical trials that have been authorised in China, has claimed great progress in its research and promising results among monkeys. - 
 / AFP / NICOLAS ASFOURI
A scientist looks at monkey kidney cells as he make a test on an experimental vaccine for the Covid-19 coronavirus inside the Cells Culture Room laboratory at the Sinovac Biotech facilities in BeijingShow more

China expects to produce one billion Covid-19 vaccine doses in 2021


The National