J Biol Regul Homeost Agents. 2021 Jan-Feb;35(1 Suppl. 2):9-13. doi: 10.23812/21-1supp2-3.

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Lactoferrin: a potential candidate to fight respiratory infections in the pandemic COVID-19 era

Passali D1, Damiani V2, Cianfrone F3, Passali GC4,5, Bellussi LM1, Ciprandi G6.


Respiratory infections are a significant burden at any age, but especially in childhood and aging. The COVID-19 pandemic has worsened the issue since there is no specific treatment and vaccine is not available. Moreover, respiratory symptoms cause social stigma in subjects suffering from an infection of any kind. As new drugs require a very long time to be marketed, a natural compound’s interest is growing. In this regard, lactoferrin is a multifunctional protein present in secretions, mainly in breast milk. Lactoferrin has marked antimicrobial activity, including antibacterial, antiviral, antiparasitic, and antifungal. Moreover, lactoferrin strongly affects immune response and cellular control activity. Therefore, this natural component could provide a promising effect in preventing respiratory infections and potentially also for COVID-19.


COVID-19, food supplement, lactoferrin, prevention, respiratory infections

Publication type

  • Letter

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