AZD1222 vaccine against COVID-19 developed by ________? April 13, 2021 / By Preparation Point / Current Affairs of Pakistan Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn GlaxoSmithKline Pfizer-BioNTech SinoVac Oxford-Astrazeneca Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn