MOSCOW, Russia (AFP) — The backers of Sputnik V on Wednesday said the Russian vaccine provides longer immunity against coronavirus than Western jabs using messenger RNA (mRNA) technology. The Russian Direct Investment Fund (RDIF), which supported the vaccine’s development, said the Sputnik vaccine is 80 percent effective against coronavirus between six and eight months after the second dose. The country has recorded more than 9.4 million coronavirus cases, the fifth-highest number in the world, and […]