Home Coronavirus COVID-19 Study: Effectiveness of Pfizer and Moderna Vaccines Falls to 66% with Delta... Study: Effectiveness of Pfizer and Moderna Vaccines Falls to 66% with Delta Variant August 25, 2021 You are unauthorized to view this page. Username or E-mail Password Remember Me Forgot Password RELATED ARTICLESMORE FROM AUTHOR 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 Mexican Drug Lord ‘El Mayo’ Zambada Pleads Guilty in U.S. to Trafficking Charges
