3NUMBAS Posted September 1, 2020 Share Posted September 1, 2020 Scientists see downsides to top COVID-19 vaccines from Russia, China Allison Martell and Julie Steenhuysen , Reuters•31 August 2020 By Allison Martell and Julie Steenhuysen TORONTO/CHICAGO (Reuters) - High-profile COVID-19 vaccines developed in Russia and China share a potential shortcoming: They are based on a common cold virus that many people have been exposed to, potentially limiting their effectiveness, some experts say. CanSino Biologics' vaccine, approved for military use in China, is a modified form of adenovirus type 5, or Ad5. The company is in talks to get emergency approval in several countries before completing large-scale trials, the Wall Street Journal reported last week. A vaccine developed by Moscow's Gamaleya Institute, approved in Russia earlier this month despite limited testing, is based on Ad5 and a second less common adenovirus. Link to comment Share on other sites More sharing options...
dimitriv Posted September 1, 2020 Share Posted September 1, 2020 But at least they can say that they are first. Link to comment Share on other sites More sharing options...
Heppinger Posted September 1, 2020 Share Posted September 1, 2020 Russia has been conducting trials for years now..... Link to comment Share on other sites More sharing options...
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