Posts by Friends of WHN
Town Hall: Vaccines in America | Nicholas Bertram and Eric Feigl-Ding
youtube.com/watch?v=tS1_qBFKrG4&feature=youtu.be
Published on: 8 April 2026 Major concern: clinical risks of positioning post-exertional malaise as a “hallmark” of cardiovascular long COVID Elisa Perego, Patient-researcher University College London Solenn TANGUY, Expert Patient Dear editor, We read with attention the discussion article by Charlon and colleagues “Post-exertional malaise and the myth of cardiac deconditioning: rethinking the pathophysiology of long covid”. Charlton et al. present post-exertional malaise (PEM) as a hallmark of long covid and advocate for pacing strategies guided by wearable heart rate monitoring, and app-controlled progressive activity. This position raises concerns. Certainly, rejection of a “deconditioning” hypothesis in long covid is needed : as expert-patients, we know the harm it can cause. However, redefining long-covid cardiovascular involvement primarily through PEM risks undermining patient safety, especially when unsupported prevalence numbers of PEM in long-covid cohorts are cited (80%)
@elisaperego78.bsky.social and myself, have written a response to Charlton et al. recent paper :
"Reframing long covid around an overarching vision of PEM oversimplifies a complex landscape characterized by significant cardiovascular abnormalities and risks.
Lire ici 🔗 bjsm.bmj.com/content/60/8...
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The WHN Kids' Zone Magazine Edition "New Beginnings" has just been published, please share! whn.global/kidszone/
Check out the new WHN article on Long COVID Prevalence, Search Interest, and Funding!
It comes with two nice interactive tools:
whn.global/long-covid-i...
WHN graphic with a light background and faint photo of a white respirator. whn.global logo at top left. Pink subtitle: “Yes, We Continue Wearing Masks — Here’s Why: Common Questions Answered.” Large headline: “If you’re wearing a mask, why should I?” Body text: “Two-way masking protects everyone better than one-way masking for one simple reason: source control. Your mask reduces what you exhale (source control) and what you inhale (personal protection). Because many infections spread silently and not everyone can mask all the time, masking together sharply lowers risk, for you and for the people around you.” Footer line: “The World Health Network is a network devoted to global compassion—working together to inspire collective action through science for a safer, healthier world.”
Same WHN layout and respirator background. Pink subtitle: “Yes, We Continue Wearing Masks — Here’s Why: Common Questions Answered.” Large headline: “Won’t constant masking weaken your immunity?” Answer in bold text: “No. Masks don’t block all microbes, and our immune systems still get plenty of stimulation from daily life.” Footer with WHN mission sentence.
Same WHN layout and respirator background. Pink subtitle: “Yes, We Continue Wearing Masks — Here’s Why: Common Questions Answered.” Large headline: “I thought masks don’t work?” Body text: “They do, but only when used correctly, and not all ‘masks’ are created equal. The physics is clear: well-fitted respirators (N95/FFP2 or better) cut what you breathe out and what you breathe in. Confusion often comes from studies that used loose surgical/medical masks, allowed people to take masks off while exposed, or mixed very different mask types and fits, conditions that blur the true benefit.” Footer with WHN mission sentence.
Same WHN layout and respirator background. Pink subtitle: “Yes, We Continue Wearing Masks — Here’s Why: Common Questions Answered.” Large headline: “I think kids need to ‘train’ their immune systems. Aren’t you preventing that?” Body text: “A child’s immune system doesn’t need to encounter dangerous pathogens to develop. Everyday exposure to common microbes in the environment is enough ‘training.’” Footer with WHN mission sentence.
“Isn’t the pandemic over?” “Aren’t you done with masks yet?” “But you’re not high-risk!”
This Q&A provides evidence-based responses to these and other common objections, offering insight into why we still mask, filter the air and open windows—knowledge we’ve gained and continue to put into practice