William Halford had spent two decades researching and developing a vaccine that he believed could bring relief to the millions of people afflicted with herpes.
원문출처 : https://www.cnn.com/2018/04/23/health/fda-halford-herpes-vaccine-research/index.html
원문출처 : https://www.cnn.com/2018/04/23/health/fda-halford-herpes-vaccine-research/index.html