How Safe Are the Nanoparticles in Moderna’s Vaccine?

STORY AT-A-GLANCE

  • Moderna and Pfizer’s COVID-19 vaccines use lipid nanoparticles that contain polyethylene glycol (PEG) to deliver mRNA to your cells
  • This experimental mRNA technology and its lipid nanoparticle-based delivery system have never been approved for use in a vaccine or drug
  • Significant concerns have been raised over the technology, including the lipid nanoparticles, and Moderna actually abandoned it in 2017 after studies revealed a high rate of adverse effects
  • Experts have questioned whether LNPs are safe, as research shows they readily enter the brain and may trigger immune reactions
  • The first dose of COVID-19 vaccine may prime the body to have an immune reaction to LNPs, such that when the second dose is received, a stronger likelihood for adverse events exists
  • The PEG found in both Pfizer’s and Moderna’s vaccines could also be causing allergic reactions and anaphylaxis 

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Could Most COVID-19 Deaths Have Been Prevented?

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STORY AT-A-GLANCE

  • More than 100 doctors, scientists and leading authorities have signed an open letter calling for increased use of vitamin D in the fight against COVID-19
  • The letter recommends taking enough vitamin D to achieve a blood level of at least 30 ng/mL (75 nmol/L). They also urge testing of all hospitalized COVID-19 patients and adding vitamin D to the treatment protocol for any patient whose level is below 30 ng/mL
  • The Irish Covit-D Consortium is also calling for greater use of vitamin D against COVID-19, citing evidence showing it can lower the risk of death from COVID-19 in the elderly by as much as 700%
  • Research shows giving critically ill COVID-19 patients high doses of vitamin D significantly reduced the number of days they had to spend in the ICU. They were also less likely to need ventilation
  • Another recent study found high-dose vitamin D supplementation sped up viral clearance; 62.5% of participants in the intervention group became SARS-CoV-2 RNA negative within 21 days, compared to just 20.8% of controls who did not receive vitamin D

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