Mixing Russia's Sputnik V, AstraZeneca shots proves safe in small trial - RDIF

Trials mixing a first dose of the Russian-made Sputnik V vaccine with AstraZeneca's shot revealed no serious side effects and no subsequent cases of coronavirus among volunteers, said the Russian Direct Investment Fund (RDIF) on Friday.

The trial involved 50 people and began in Azerbaijan in February, said RDIF in a statement. RDIF is responsible for marketing Sputnik V vaccine abroad...