steven hogue is president of moderna, a boston area biotechnology company also working on a vaccine. we met dr. hogue shortly after the cdc recommended social distancing. teaming up with the n.i.h. moderna started trials in seattle where the north america outbreak took hold. 45 healthy volunteers will receive injections over six weeks and be monitored for a year to see if the vaccine is safe. moderna started work on the vaccine as soon as china posted the genetic virus sequence online. >>> how long did it take you to go from getting this genetic information to actually having a vaccine ready for human trial? >> 25 days. it was released to the clinic d the world indoor record. but it's definitely faster than we think anybody's done before. >> reporter: moderna's process pushes the envelope of biotechnology. its scientists manipulate the genetic code to instruct cells what to do. in this case, trigger the body's immune system to fight the new coronavirus. >> once you realize that you can essentially put a software-like program into a cell, the opportunities to address human disease are