LTF and thrombophilia: It is highly plausible that a set of natural agents can inhibit the cytokine storm and hypercoagulability that characterize a severe COVID-19 infection: vitamin D3, omega-3 polyunsaturated fatty acids, other nutraceuticals that can activate anti-inflammatory and antioxidant pathways such as quercetin, rutin, vitamin C, zinc, melatonin, lactoferrin and glutathione [34, 67–71].