# Where is herd immunity?

Page: https://stenobird.com/podcast/dr-john-campbell-7851784/where-is-herd-immunity
Text version: https://stenobird.com/podcast/dr-john-campbell-7851784/where-is-herd-immunity.md
Podcast: [Dr. John Campbell](https://stenobird.com/podcast/dr-john-campbell-7851784)
Published: 2026-06-28T12:15:00+00:00
Episode link: https://traffic.megaphone.fm/VG2474185805.mp3
Audio file: https://traffic.megaphone.fm/VG2474185805.mp3
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JSON: https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/where-is-herd-immunity
Duration seconds: 1625

## Resource

Moderna boosters, recommended by FDA independent advisory panel 65 and older and for adults who are at high risk of severe illness Six months Half dose Jacqueline Miller, head of Moderna’s infectious-disease therapeutic area https://www.washingtonpost.com/health/2021/10/14/moderna-booster-shot-fda/ Six to eight months after vaccination, antibody levels dropped in vaccine recipients. A half-dose booster at least six months after initial vaccination restored antibodies levels People from original trial, a clear uptick in breakthrough infections this July and August UK ONS https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/articles/coronaviruscovid19/latestinsights#cis Week ending 9 October 2021 People that that had COVID-19 in the week Up in England, Wales and NI Down in Scotland 1.63% in England (1 in 60 people) 2.18% in Wales (1 in 45 people) 0.82% in Northern Ireland (1 in 120 people) 1.26% in Scotland (1 in 80 people) People testing positive for antibodies 93.6% Mortality displacement did not offset excess deaths by mid-2021 Some evidence of mortality displacement during the pandemic Mortality displacement, when vulnerable people die sooner than expected Potentially leading to a lower-than-average period of mortality These periods of below average mortality did not offset the high number of deaths since the beginning of the pandemic 3 January 2020 to 2 July 2021 97,981 excess deaths in England and Wales (compared to what we would expect in a non-pandemic period). Within 28 days of a positive test, 138,379 Certificated, 161,798 Zoe data https://covid.joinzoe.com/data#levels-over-time https://covid.joinzoe.com/post/third-wave-reaches-new-peak Long covid https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/co…

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