Chinese Covid vax found 50.4% effective in Brazil trials
(MENAFN – IANS) p>Sao Paulo, Jan 14 (IANS) A leading Chinese Covid-19 vaccine, developed by Sinovac Biotech, has been found to be 50.4 per cent effe…
(MENAFN – IANS) p>Sao Paulo, Jan 14 (IANS) A leading Chinese Covid-19 vaccine, developed by Sinovac Biotech, has been found to be 50.4 per cent effe…