What to Know About the World’s Top Covid-19 Vaccines January 13, 2021 Auto Bot AstraZeneca PLC, China National Pharmaceutical Group Corp (Sinopharm), Coronavirus (2019-nCoV), Johnson & Johnson, Moderna Inc, Novavax Inc, Pfizer Inc, Sinovac Biotech Ltd, Vaccination and Immunization 0 Scientists have developed dozens of Covid vaccines at record speed. Here are the leading products.