Home Coronavirus COVID-19 AstraZeneca/Oxford Covid-19 Vaccine: “Limited Efficacy” Against South African Variant AstraZeneca/Oxford Covid-19 Vaccine: “Limited Efficacy” Against South African Variant February 7, 2021 You are unauthorized to view this page. Username or E-mail Password Remember Me Forgot Password RELATED ARTICLESMORE FROM AUTHOR Suicide Rates Continue to Climb in Mexico Claudia Sheinbaum Delivers First Government Report U.S. and Mexico Form High-Level Security Task Force California Fugitive Captured in Jalisco Transferred to U.S. Authorities Mexican Postal Service Halts Shipments to U.S. after Tax Rule Change