{"podcast":{"title":"Dr. John Campbell","slug":"dr-john-campbell-7851784","podcast_index_feed_id":7851784,"rss_url":"https://feeds.megaphone.fm/VG9554039150","website_url":null,"image_url":"https://megaphone.imgix.net/podcasts/7a133470-32e4-11f1-ae26-ef5a830a5f06/image/aacd596ff9b51467520b0238cfcd1c87.png?ixlib=rails-4.3.1&max-w=3000&max-h=3000&fit=crop&auto=format,compress","author":"Campbellteaching","episode_count":480,"summary":"Hello Everyone, My name is John Campbell and I am a retired Nurse Teacher and former clinical nurse based in England. I also do some teaching in Asia and Africa when time permits. These videos are to help students to learn the background to all forms of health care. My PhD focused on the development of open learning resources for nurses nationally and internationally. LinkedIn profile, https://www.linkedin.com/in/dr-john-campbell-5256223b/ Twitter, https://twitter.com/Johnincarlisle Disclaimer; These media including videos, book, e book, articles, podcasts are not peer-reviewed. They should never replace individual clinical judgement from your own health care provider. No media-based material on this channel is suitable for using as professional medical advice. All comments are also for educational purposed only and must never replace advice from your own health care provider","last_synced_at":"2026-07-23T10:19:57.883522+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784"},"episode":{"title":"Where is herd immunity?","slug":"where-is-herd-immunity","published_at":"2026-06-28T12:15:00+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784/where-is-herd-immunity","show_page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784","url":"https://traffic.megaphone.fm/VG2474185805.mp3","audio_url":"https://traffic.megaphone.fm/VG2474185805.mp3","summary":"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…","meta_description":"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 Ja…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1625,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/where-is-herd-immunity/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/dr-john-campbell-7851784/where-is-herd-immunity.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}