An initial vaccination with Comirnaty from Pfizer–BioNTech induced α-Spike-Ab titers in healthy participants comparable to COVID-19 patients with ongoing SARS-CoV-2 infection at early time points (medians for Mildt2–4: 369 BAU/mL; 1st BT: 272 BAU/mL; Figure 3E). This evidence concerns the gene CHMP5 and COVID-19.