More than 100 top scientists including 15 Nobel laureates have written an open letter calling for volunteers to be exposed to the coronavirus to assist with vaccine development.
원문출처 : https://www.cnn.com/2020/07/16/health/vaccine-open-letter-challenge-trials-intl-gbr/index.html
원문출처 : https://www.cnn.com/2020/07/16/health/vaccine-open-letter-challenge-trials-intl-gbr/index.html