Covid Update: Three Prevention Tips Dr. Mao gives the latest update on the covid pandemic and shares his own personal practice for prevention including humidifying with essential oil, acupuncture/self-acupressure, and keep the throat well lubricated. Covid-19 UpdateDr. Mao Shing Ni, L.Ac., D.O.M., Ph.D., Dipl. C.H., Dipl. ABAAPJanuary 13, 2021covid19, prevention