LTF and viral infectious disease: In this review, we summarize the evidence supporting a role for nutraceuticals such as probiotics, prebiotics, resveratrol, hesperidin, quercetin, lactoferrin, zinc, Omega-3 (Ω-3) Fatty Acids, and vitamins A, C, D, and K in the prevention of viral infections, especially SARS-CoV-2, in children,.