Covid-19 Update: Two-Prong Strategies from Nature With the cold and flu season upon us Dr. Mao shares a two-prong strategy of coping with viruses with antiviral and immune modulator herbs from nature. Covid-19 UpdateDr. Mao Shing Ni, L.Ac., D.O.M., Ph.D., Dipl. C.H., Dipl. ABAAPNovember 13, 2020covid19 Facebook0 Twitter Reddit Pinterest0 0 Likes