EGF and COVID-19: If we compare these data with those reported by Joh Takaki et al. for the Japanese population, with serum EGF concentrations in normal men and women of 780 and 604 pg/ml, respectively,37 and more specifically of 417 pg/ml and 572 pg/ml for subjects aged around 60 and 50 years respectively, we find that no differences are observed with our healthy controls and the trend towards higher EGF levels in the context of COVID‐19 is replicated.