Q&A with Leyla, Part 1: Are antibody tests for COVID-19 reliable?

In early March I tested positive for Influenza A. Does that result rule out the possibility that I had COVID-19?; Are antibody tests for COVID-19 reliable?; Since viruses like coronavirus mutate rapidly, wouldn’t that deem any vaccine for COVID-19 ineffective, once developed?; Is Astragalus a friend or foe with COVID-19? Doesn’t it increase inflammatory cytokines? Click HERE for part 2.