(CBSDFW/AP) – Russia is the first country to approve a coronavirus vaccine.
The move announced Tuesday was met with international skepticism and unease because the shots were only tested in dozens of people.READ MORE: Fight Between Brothers Ends With 1 Shot, Critically Injured And 1 Arrested In Alvarado Friday Night
Russian President Vladimir Putin said that one of his adult daughters was inoculated and that the vaccine provides immunity to the virus. However, authorities have offered no proof to back up the claim of its safety or effectiveness.READ MORE: 'I'm Afraid We're Going To See A Surge Of Violence' Says Texas Criminologist Following Recent Mass Shootings
Scientists in Russia and other countries say a rush to start using the vaccine could backfire.