Herd Immunity Threshold Over 80% as Delta Spikes: IDSA

The video discusses the complexities of calculating herd immunity levels, especially with the Delta variant's impact. It highlights the lack of concrete data and the reliance on anecdotal evidence. The Delta variant's ability to break through vaccine protection is noted, though vaccines still significantly reduce severe disease. The need for booster shots targeting the Delta variant is also discussed.

What does the discussion suggest about the effectiveness of vaccines against the Delta variant?

What is suggested as a necessary step to reduce the number of infections in light of the Delta variant?