0 0.5 1 1.5+ All studies 22% 7 1,369 Improvement, Studies, Patients Relative Risk Mortality 17% 3 921 Hospitalization 61% 2 277 Recovery -7% 4 549 Viral clearance 28% 3 294 RCTs -22% 4 637 RCT mortality -16% 2 374 Early 47% 3 341 Late 19% 3 819 Lactoferrin for COVID-19 c19early.org October 2023 after exclusions Favorslactoferrin Favorscontrol