Long COVID-19 in children: a review of key information
🚨Possibly 1 in 4 children may develop Long COVID, even after vaccination
😡Paediatricians, WAKE-UP! WE NEED TO PROTECT OUR CHILDREN!
#PREVENTION
➡️A Polish review needs your attention!
➡️Review information:
1. Definition LongC0vid:
- WHO 2023 criteria, symptoms appearing ≤3 months after SARSCoV2 infection, lasting ≥2 months, and significantly affecting daily functioning (school, activity, development),
- Symptoms are heterogeneous and multisystemic,
2. Prevalence:
- Pooled estimate 25% (meta-analysis >80,000 children),
- Rises to 29% in hospitalized cases,
- Over 200 possible symptoms reported,
3. Common manifestations(Fig):
- Fatigue (3–87%), headaches (3–80%), cognitive dysfunction/brain fog (2–81%), sleep disturbances (2–63%), mood disorders,
- Age-specific patterns exist (younger children: rashes/behavioural changes. Adolescents: fatigue, concentration issues),
4. Risk factors:
- Older age (adolescence), female sex, comorbidities (obesity, allergies), severe acute infection, poor pre-infection health,
- One-third of cases occur without clear risk factors,
5. Pathophysiology(Fig):
- Multifactorial,
- Possible viral persistence, immune dysregulation/autoimmunity, autonomic dysfunction, gut dysbiosis, vascular/endothelial damage,
6. Diagnosis:
- Challenging due to nonspecific symptoms,
- Requires thorough differential diagnosis and exclusion of other causes,
- No specific biomarkers,
7. Vaccination & reinfection:
- Pre-infection vaccination shows protective effect in some studies,
- Reinfections increase longC0VID risk even after 2–3 vaccine doses,
- One Omicron-era study found similar symptom burden/severity at 12 months between primary infection and reinfection groups,
- Vaccination status did not significantly alter risk,
- Number of infections does not appear decisive(?).
➡️The review stresses the need for standardized definitions and longer-term controlled studies.
‼️So, evidence remains limited and inconsistent. While pre-infection vaccination likely reduces longC0VID risk, reinfections (even in vaccinated children) can still trigger comparable long-term symptoms to primary infection, suggesting vaccines do not reliably prevent or mitigate post-acute sequelae once infection occurs. This implies cumulative risk with repeated exposures and that current vaccines offer incomplete protection against longC0VID in the paediatric population. Given the high prevalence (~25%), nonspecific symptoms, and diagnostic challenges, reinfections could meaningfully add to the long-term health burden in children despite generally mild acute disease. The review itself highlights that data on vaccination/reinfection effects are inconclusive and require further rigorous investigation, a key limitation of the current literature.
Clinically, this supports continued emphasis on infection PREVENTION (including vaccination) while recognising that longC0VID remains a real, if poorly understood, risk even in the vaccinated and reinfected with a possible major Health and QOL impact.
#AvoidSars2 #AvoidReinfections #Vaccination #CleanAir
termedia.pl/Journal/-127/pdf…
upuknews
