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According to a fact sheet on the FDA's website for the Pfizer-BioNTech COVID-19 vaccine, the vaccine contains only mRNA, lipids, potassium chloride, monobasic potassium phosphate, sodium chloride, dibasic sodium phosphate dihydrate and sucrose — none of which are ferromagnetic.

The vaccine also contains four salts: potassium chloride, monobasic potassium phosphate, basic sodium phosphate dihydrate and sodium chloride.

First, gypsum — calcium sulfate dihydrate — is the stuff of which drywall is made, for use in home construction and remodeling.

And recently, they’ve taken a fresh look at using gypsum, a soft white or gray mineral also known as calcium sulfate dihydrate, to help keep phosphorous where it is wanted.

Groundwater that leached calcium from wind-blown silt worked its way into Gypsum Cave, forming crystals of calcium sulfate dihydrate.