KLK3 and infectious disease: They mentioned blood sugar and micronutrients (n = 35, 77.8 %), lipids (n = 33, 73.3 %), communicable diseases (influenza A/B, RSV, COVID 19, etc., n = 24, 53.3 %), vaccination titer testing (n = 21, 46.7 %), C-reactive protein (CRP, n = 20, 44.4 %), inflammation parameters (n = 18, 40.0 %) and one pharmacist opted for prostate specific antigen (PSA, 2.22 %).