rediff News http://www.rediff.com/tags/+feng+cai+zhu India's largest news and entertainment service online.. en-us Fri, 19 Apr 24 17:01:08 +0000 Fri, 19 Apr 24 17:01:08 +0000 http://www.rediff.com/push Rediff feeds Copyright: (C) 2009 Rediff.com India Limited. All Rights Reserved. <![CDATA[Covaxin safe, shows 77.8% efficacy against symptomatic Covid: Lancet]]> http://www.rediff.com/news/report/covaxin-778-effective-against-covid-lancet-study/20211112.htm Fri, 19 Apr 2024 22:31:08 +0530 <![CDATA[First COVID-19 vaccine human trial finds it's safe]]> http://www.rediff.com/news/report/first-covid-19-vaccine-human-trial-finds-its-safe/20200523.htm Fri, 19 Apr 2024 22:31:08 +0530