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 Alfaro Reaffirms Push for New Fiscal Pact Following Sheinbaum’s Criticism Mexican Congress Takes First Step to Eliminate Watchdog Agencies Sheinbaum Responds to Jalisco’s Proposal to Exit Fiscal Pact Days Before Leaving Office, Alfaro Proposes Jalisco’s Exit from Fiscal Pact Pablo Lemus Criticizes 2025 Federal Budget Allocation for Jalisco