Categories 1. Russia News: Pfizer/BioNTech vaccine still effective after 21 days without top-up dose, study reveals Post author By Admin Post date February 3, 2021 Spread the News Listen to this article News Spread the News ← “Nato Russia” – Google News: Aman-21: a successful story of naval diplomacy and collaborative security – Daily Times → Voice of America – English: Myanmar Internet Providers Block Facebook Services After Government Order