{"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":658,"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https://twitter.com/Johnincarlisle Disclaimer; These media including videos, book, e book, articles, podcasts are not peer-reviewed.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":"2026-09-22T06:22:02.195523+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784"},"episode":{"title":"FDA myocarditis warnings","slug":"fda-myocarditis-warnings","published_at":"2026-09-12T10:50:00+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784/fda-myocarditis-warnings","show_page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784","url":"https://traffic.megaphone.fm/VG9795439092.mp3","audio_url":"https://traffic.megaphone.fm/VG9795439092.mp3","summary":"FDA Approves Required Updated Warning in Labeling of mRNA COVID-19 Vaccines Regarding Myocarditis and Pericarditis Following Vaccination https://www.fda.gov/vaccines-blood-biologics/safety-availability-biologics/fda-approves-required-updated-warning-labeling-mrna-covid-19-vaccines-regarding-myocarditis-and mRNA COVID Shots Cause Myocarditis (FDA video) Dr Vinay Prasad, Director of the Center for Biologics Evaluation and Research FDA. https://www.youtube.com/watch?v=68QzzWGc4mI June 25, 2025, FDA Safety Communication 6 months through 64 years Approximately 8.4 cases per million doses Initial and follow-up cardiac MRIs commonly showed signs of injury to the heart muscle Males 12 through 24 years Approximately 26.9 cases per million doses, 1/37,000 First reports of C-VAM Feb 2021 (VAERS) April, 2021, 2 deaths and 60 cases from Israel (details sent to FDA and CDC in April 2021) April 27th 2021, DCD statement denies myocarditis signal. April 27th 2021, CDC was aware of 14 cases reported by US military August 2021, FDA document (FOI) 1/5,000 (16 and 17 year old males) Hong Kong, 1 / 2,700 hospitalised (13 to 18 males) Vaccine safety link data, 1 / 2,000 (after 2nd dose in 18 to 24 males) Vaccine safety link data, 64% of cases missed at first First Pfizer booster, 1 / 6,800 Undoubtedly some deaths may be implicated Deaths due to fulminant myocarditis Undoubtedly people have subclinical myocarditis Severe outcomes from covid declining, new risk benefit analysis coming soon. Follow-up information on cardiovascular outcomes From longitudinal retrospective observational study. Most had received a two-dose primary series, prior to diagnosis. Follow-up of approximately 5 months post-vaccination Persistence of abnormal cardiac magnetic resonance imaging (CMR) findings, that are a ma…","meta_description":"FDA Approves Required Updated Warning in Labeling of mRNA COVID-19 Vaccines Regarding Myocarditis and Pericarditis Following Vaccination https://www.fda.g…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1257,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/fda-myocarditis-warnings/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/fda-myocarditis-warnings.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}