Covid-19 Update: Why US has High Infection Rates Dr. Mao explores the reasons behind high infection rates in the US and shares three tips for staying out of the ER. Covid-19 UpdateDr. Mao Shing Ni, L.Ac., D.O.M., Ph.D., Dipl. C.H., Dipl. ABAAPSeptember 11, 2020covid19, Immune System Health Facebook0 Twitter Reddit Pinterest0 0 Likes