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CDC says 3 out of 4 kids and nearly 60% of adults have had coronavirus infectionsApril 27, 2022 -
US may actually be close to herd immunitySeptember 3, 2021 -
What does waning COVID-19 vaccine interest mean for achieving herd immunity?April 23, 2021 -
Herd immunity, chances of third booster shot explainedApril 19, 2021 -
With 150 million vaccine shots given, are we close to herd immunity?April 8, 2021