Russia yesterday gave a glimpse of hope to the international health community after it said its COVID-19 vaccine candidate (Sputnik V) with over 95 per cent efficacy would cost less than $10 (N3,800) a dose in international markets. The Russian Direct Investment Fund (RDIF) announced the price tag for its near-ready vaccine around the same time British vaccine creators from Oxford University and AstraZeneca said their version was 70 percent effective, up to 90 per cent if dosages are adjusted, The Washington Post reported. The Sputnik V vaccine candidate, named after Russia’s...