# Omicron BA. 2.75 Page: https://stenobird.com/podcast/dr-john-campbell-7851784/omicron-ba-2-75 Text version: https://stenobird.com/podcast/dr-john-campbell-7851784/omicron-ba-2-75.md Podcast: [Dr. John Campbell](https://stenobird.com/podcast/dr-john-campbell-7851784) Published: 2026-09-04T22:00:00+00:00 Episode link: https://traffic.megaphone.fm/VG7368064718.mp3 Audio file: https://traffic.megaphone.fm/VG7368064718.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/omicron-ba-2-75 Duration seconds: 1174 ## Resource Next up , BA.2.75, Centaurus https://www.who.int/activities/tracking-SARS-CoV-2-variants https://www.medpagetoday.com/special-reports/exclusives/99655 https://www.forbes.com/sites/williamhaseltine/2022/07/11/ba275-a-dark-horse-in-the-covid-pandemic/ India, early May, spreading fast (50%) (India has low levels of BA.5) Seems to be displacing previous omicrons Looks like an influenza type model will not work Detected in the Bay area, UK, Australia, Germany, Canada, Netherlands European Centre for Disease Prevention and Control (ECDC) https://www.ecdc.europa.eu/en/cases-2019-ncov-eueea variant under monitoring 7th July Nine new spike protein mutations Amino acid changes, evade some neutralizing antibodies G446S, RBD (was Glycine now Serine) Individual response will be influenced by immune history BA.1 immunity, may be protective Learn more about your ad choices. Visit megaphone.fm/adchoices ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/omicron-ba-2-75/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/dr-john-campbell-7851784/omicron-ba-2-75.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.