TTR and COVID-19: Large screens exploring lipid chemistry have resulted in three potent ionizable lipids used in FDA‐approved products: DLin‐MC3‐DMA (MC3) used in the patisiran (Onpattro) siRNA LNP treating transthyretin‐mediated amyloidosis,28, 29 SM‐102 used in the mRNA‐1273 (Spikevax) mRNA LNP vaccine for COVID‐19,12, 30 and ALC‐0315 used in the BNT162b2 (Comirnaty) mRNA LNP vaccine for COVID‐19.30