{"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https://twitter.com/Johnincarlisle Disclaimer; These media including videos, book, e book, articles, podcasts are not peer-reviewed.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":"The O variant","slug":"the-o-variant","published_at":"2026-06-28T09:30:00+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784/the-o-variant","show_page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784","url":"https://traffic.megaphone.fm/VG7160504055.mp3","audio_url":"https://traffic.megaphone.fm/VG7160504055.mp3","summary":"Worst ever Covid variant? Omicron B.1.1.529 Increased contagion Immune escape Sicker people WHO, VOC https://www.who.int/news/item/26-11-2021-classification-of-omicron-(b.1.1.529)-sars-cov-2-variant-of-concern The Technical Advisory Group on SARS-CoV-2 Virus Evolution Independent group of experts First reported to WHO from South Africa on 24th November 2021 South Africa, infections have increased steeply, coinciding with the detection of B.1.1.529 variant The first known confirmed B.1.1.529 infection was from a specimen collected on 9th November 2021 Preliminary evidence suggests an increased risk of reinfection with this variant The number of cases of this variant appears to be increasing in almost all provinces in South Africa Current SARS-CoV-2 PCR diagnostics continue to detect this variant. For one widely used PCR test, one of the three target genes is not detected (called S gene dropout or S gene target failure) This variant may have a growth advantage. How did the new variant develop? https://www.nature.com/articles/d41586-021-03552-w Professor Francois Balloux, Computational Biology Systems, University College London Mutated during a chronic infection of a person whose immune system was already weakened by an untreated HIV/Aids infection Botswana Discovered, November 11th (collected 9th) 2021 in Botswana South Africa 77 confirmed cases 90% of new cases in Gauteng, probably B.1.1.529 Early signs of rapid spread in Gauteng province, 900 cases per day May have spread to eight other provinces in South Africa SA, fully vaccinated, 24% Israel https://www.telegraph.co.uk/global-health/science-and-disease/new-coronavirus-variant-reason-concern-say-researchers/?li_source=LI&li_medium=liftigniter-onward-journey 1 returnee from Malawi Two other people suspected of hav…","meta_description":"Worst ever Covid variant? Omicron B.1.1.529 Increased contagion Immune escape Sicker people WHO, VOC https://www.who.int/news/item/26-11-2021-classificati…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1929,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/the-o-variant/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/the-o-variant.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}