Herd Immunity October 04, 2021 COVID Outbreak Sparked by Fully Vaccinated Patient Challenges Vaccine-Induced Herd Immunity Theory August 03, 2021 Delta Infections Threaten Herd Immunity Vaccine Strategy April 05, 2021 Epidemiologist: We Could Have Reached Natural Herd Immunity in 6 Weeks February 11, 2021 Using Herd Immunity Myth to Justify COVID Vaccines for Kids Is Deceptive — and Dangerous January 18, 2021 Violating Science, WHO Changes Meaning of Herd Immunity