WHO Philippines expresses concern for the minimal COVID-19 vaccination level amongst senior citizens in a few LGUs amid growing danger from new variants In advance of joining WHO in 2018, Dr Asma held leadership positions with the U.S, Facilities for Ailment Management and Avoidance (CDC) for more than 20 years. https://senior-health65308.blogsvirals.com/33491193/top-guidelines-of-senior-health