{"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https://twitter.com/Johnincarlisle Disclaimer; These media including videos, book, e book, articles, podcasts are not peer-reviewed.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":"When to be exposed","slug":"when-to-be-exposed","published_at":"2026-07-22T22:45:00+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784/when-to-be-exposed","show_page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784","url":"https://traffic.megaphone.fm/VG3636337133.mp3","audio_url":"https://traffic.megaphone.fm/VG3636337133.mp3","summary":"Decline in personal immunity https://www.gov.uk/government/news/mhra-statement-on-booster-doses-of-pfizer-and-astrazeneca-covid-19-vaccines Dr June Raine, MHRA Chief Executive We know that a person’s immunity may decline over time after their first vaccine course. I am pleased to confirm that the COVID-19 vaccines made by Pfizer and AstraZeneca can be used as safe and effective booster doses. It will now be for the JVCI to advise on whether booster jabs will be given and if so, which vaccines should be used. UK, Joint Committee for Vaccination and Immunisation (JCVI) https://www.reuters.com/world/uk/uk-medicine-regulator-says-pfizer-astrazeneca-covid-19-shots-may-be-used-2021-09-09/ Discussing whether booster shots for the elderly and vulnerable are needed Could be end of September Final decision with UK government Monitoring Incidence of COVID-19 Cases, Hospitalizations, and Deaths, by Vaccination Status — 13 U.S. Jurisdictions, April 4–July 17, 2021 https://www.washingtonpost.com/health/2021/09/10/moderna-most-effective-covid-vaccine-studies/ https://www.cdc.gov/mmwr/volumes/70/wr/mm7037e1.htm?s_cid=mm7037e1_w https://www.cdc.gov/media/releases/2021/s0818-covid-19-booster-shots.html Based on our latest assessment, the current protection against severe disease, hospitalization, and death could diminish in the months ahead, especially among those who are at higher risk or were vaccinated during the earlier phases of the vaccination rollout. For that reason, we conclude that a booster shot will be needed to maximize vaccine-induced protection and prolong its durability. We are prepared to offer booster shots for all Americans beginning the week of September 20 and starting 8 months after an individual’s second dose. We also anticipate booster shots will likely be needed…","meta_description":"Decline in personal immunity https://www.gov.uk/government/news/mhra-statement-on-booster-doses-of-pfizer-and-astrazeneca-covid-19-vaccines Dr June Raine,…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1222,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/when-to-be-exposed/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/when-to-be-exposed.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}