in mid-may 2020, a company called moderna said they tested their mrna vaccine in forty-five people and eight of them produced antibodies but they did not publish the specific data or publish an article in a scientific journal. anna durbin of johns hopkins university said it was too soon to tell if people would keep the antibodies long enough for the vaccine to work. the united states food and drug administration gave moderna permission to test the vaccine again in more people. moderna's chief medical officer said the vaccine could be ready in january 2021.