Episode
Pandemic optimism
- Podcast
- Dr. John Campbell
- Published
- Sep 12, 2026
- Duration seconds
- 2662
- Processing state
not_requested- Canonical source
- https://traffic.megaphone.fm/VG2693986033.mp3
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Summary
Natural infection and / or vaccination? and Special report Mississippi https://www.bbc.co.uk/news/health-58270098 Delta in UK Viral burden and vaccine effectiveness against new SARS-CoV-2 infections in the UK https://www.ndm.ox.ac.uk/covid-19/covid-19-infection-survey/results/new-studies https://www.ndm.ox.ac.uk/files/coronavirus/covid-19-infection-survey/finalfinalcombinedve20210816.pdf Delta infections after two vaccine doses had similar peak levels of virus to those in unvaccinated people Two doses of either vaccine, same level of protection against infection as natural infection Natural infection followed by vaccination, even more protection than vaccination alone After four to five months, effectiveness of these two vaccines similar The time between doses does not affect effectiveness in preventing new infections Now Levels of immunity in the community Implications for vaccination in children Should we use virus or booster shots to top up immunity in adults? Prof Eleanor Riley, immunologist, University of Edinburgh We could be digging ourselves into a hole, for a very long time, where we think we can only keep Covid away by boosting every year Prof Adam Finn, government vaccine adviser Over-vaccinating people when other parts of the world had none a bit insane, it's not just inequitable, it's stupid https://www.nature.com/articles/s41401-020-0485-4 SARS-CoV-2 belongs to the β coronavirus family Seventh known coronavirus to infect humans Four cause colds, 229E, NL63, OC43, and HKU1 SARS-CoV, 2002 MERS-CoV, 2012 SARS-CoV-2, 2019 SARS-CoV-2 Single-stranded RNA-enveloped virus Entire genome, 29,881 bases Encoding 9,860 amino acids 28 proteins essential for infection Breadth of immunity How much of the virus the immune system learns to attack Natural infection, more po…