Sputnik-V Covid-19 vaccine trial shows 'encouraging' results
The "Sputnik-V" Covid-19 vaccine produced a neutralising antibody response in all 76 participants, according to data published Friday in the medical journal The Lancet. The vaccine often caused mild side effects such as fever.
Experts have claimed the sample size of the Russian study was small and urged for more research on the elderly.
The Brazilian institute Tecpar announced plans to conduct the phase III trials on 10,000 volunteers at the start of next year.