WHO Philippines expresses issue on the very low COVID-19 vaccination rate amongst senior citizens in a few LGUs amid rising menace from new variants Just before joining WHO in 2018, Dr Asma held leadership positions at the U.S, Centers for Illness Control and Avoidance (CDC) for over two decades. During https://seniorhealth58002.jts-blog.com/33329847/senior-health-for-dummies