As the number of countries that have authorized the use of a Covid-19 vaccine grows, many are sighing with anticipated relief. Yet now comes another challenge: how do we distribute vaccines safely and equitably to those most in need in our own countries and across the world?


원문출처 : https://www.cnn.com/2020/12/28/opinions/covid-19-vaccine-world-distribution-ahmad-cousens/index.html