Post-marketing surveillance of Pfizer’s and Moderna’s COVID vaccination has identified a possible association between its use and subsequent episodes of myocarditis and pericarditis – two forms of heart inflammation.
Disease
You can find Dr. Billaeur’s excellent article here.
Temporal trends
There are large swings in case rates (up to 100-fold) but smaller swings for deaths (~15-fold). There are two major peaks in cases and deaths but many more in case fatality ratios (CFRs). [1]
The decision by the FDA to require lower nicotine levels in cigarettes is predicated on the idea that by lowering the dose sufficiently, a non-addictive cigarette could be created.
Among the many changes as we age are a loss of flexibility, muscle mass and strength, balance, and weight gain. All these factors are found among the frail and not-so-frail in varying measures.
I have written previously about what mortality is not always the best metric when considering the care we provide.
“Vaccination is highly effective in preventing severe COVID-19 illness and death.”
Jennifer Kriss, Ph, D Epidemiologist at Centers for Disease Control [2]