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A COVID-19 vaccine needs the public's trust – and it's risky to cut corners on clinical trials, as Russia is
By Abram L Wagner
Russian Coronavirus Vaccine Announcement Greeted With Skepticism : Coronavirus Updates
By Scott Neuman
Fauci says he has serious doubts Russia's COVID-19 vaccine is safe, effective
By Caterina Andreano
Russia approves Sputnik V Covid vaccine despite testing safety concerns
By Luke Harding & Peter Beaumont
Here's what we know about Russia's unverified coronavirus vaccine
By Tina Hesman Saey
Putin says Russia has approved 'world first' Covid-19 vaccine. But questions over its safety remain
By Zahra Ullah & Zamira Rahim