A third of Covid-19 survivors suffer 'brain disease'
https://edition.cnn.com/2021/04/06/h...ess/index.html
Chinese health official says effectiveness of local coronavirus vaccines (Sinovac) is low
Director of the Chinese Centre for Disease Control and Prevention, Dr Gao Fu, says China is considering mixing vaccines, after telling a conference "Chinese vaccines don't have very high protection rates."
https://www.abc.net.au/news/2021-04-...ness/100061932