“…As the patients of Dr. Vogel were severely anemic, one would in fact even expect a right shift of the ODC due to an adaptive increase in the concentration of 2,3-bisphosphoglycerate ([2,3-BPG]). Anemia, a frequent complication in SARS-CoV-2 infection, usually causes an increase in [2, in most cases except those with acidosis (reviewed in our article). Astonishingly, we could detect only one publication where 2,3-BPG had been measured in patients with COVID-19 (6).…”