Can trace element supplementations (Cu, Se, and Zn) enhance human immunity against COVID-19 and its new variants?
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Background: Coronavirus-19 (SARS-CoV-2) is constantly changed through mutation, and new stains of this virus are detected throughout the world such as B.1.1.7 (UK), B.1.351 (South Africa), and P.1 (Brazil). These strains seem to ... ...
