Best to not encounter Covid-19 at all, next best would be to somehow prevent its harmful effects. At the very least, you may want to make sure you have sufficient levels of NAD (Nicotinamide Adenine Dinucleotide) to increase your chances to survive it.
New research suggests that the method by which Covid-19 damages lung tissue includes NAD depletion, so many people ask whether Vitamin B3-based NAD precursors, like NMN (Nicotinamide Mononucleotide), which replenish NAD, might protect against the harm caused by COVID-19?