How to Strengthen my Immune System for Covid 19 – from a Nurse working in a Covid 19 unit

How to Strengthen Immune System for Covid 19

Hi I am one of the nurses who works closely with Covid 19 patients here in Miami, Florida. We are one of the hotspots states here in the US. There was a point that we are having 10k new cases of Covid 19 daily. It was crazy.