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 Pope Francis Dies at 88, Vatican Announces SAVE Act, Which Eliminates Expat Voting, Passes US House Jalisco Strengthens Global Ties Through Tech, Tequila, and Tourism Sheinbaum and Trump Hold Phone Conference U.S. to Impose 21% Tariff on Mexican Tomatoes Starting in July
