COVID infections and vaccinations decrease Vitamin D – many studies
Vaccination
COVID vaccinations resulted in big increase in metabolic disorders - Nov 2023
Following COVID vaccination 31% had neurological problems (Italy) – Oct 2023
Autoimmune diseases caused in first day after COVID Vaccination - Oct 2023
Hospital utilization Australia (NSW) 1415 Vaccinated, 0 unvaccinated - Dec 2022
Vaccinated children have more health problems – any vaccination, not just COVID
Multiple COVID vaccinations might increase (turbo) Cancer Incidence - many studies
Vaccine Clinical Trial - cardiovascular death 3.7X more likely if vaccinated - preprint Sept 2023
COVID Vaccinations increased risk of cardiac deaths in youths by 19% - Aug 2023
800x Higher Incidence of Myocardial Injury After Booster Vaccination - July 2023
74% of autopsies were found to be related to COVID vaccination (from 44 studies) – Lancet July 2023
More psoriasis flares following second COVID vaccination if lowish Vitamin D – May 2023
Long-COVID 2.2X more-likely if had 2 COVID vaccinations - Dec 2022
Vaccination and/or Infection
COVID infections or vaccinations may increase Multiple Sclerosis (if low D) - several studies
50% increase in Cancer deaths (age 15-44) since before COVID - Nov 2023
Early puberty during pandemic (low vitamin D) - several studies
Low heart rate variability (bad) is associated with low Vitamin D and COVID – many studies
T1 Diabetes increased by 27% by second year of COVID – meta-analysis June 2023
Increased risk of many neuro problems after COVID (1.4 X youths, 1.2X seniors) – Aug 2022
COVID increased seniors risk of Alzheimer's by 1.7X in the next year- Sept 2022
Increase in children with low vitamin D and with tibia fractures during COVID – June 2022
Athletes who had been COVID infected had lower Vitamin D levels – July 2023
COVID, Vitamin D, Drs. Grimes and Campbell - Jan 2024 has the following chart
Hypothesis: The body consumes Vitamin D each time the immune system is activated

The "GREEN" person started with a high level of Vitamin D
This assumes no vitamin D supplementation by supplements, sun, etc.