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 pretty broad. >> reporter: how did your relatively small biotech get to be the first one to go i

. >> reporter: only a skeleton crew is staffing kbm hogue. 150 employees are working at home.every aspect of their work. >> at some point, somebody wants to sit in a chair, they want to touch a fabric. some guys need to pull up in a pickup truck or a van or parcel van or 45-foot trailer and offload or build furniture. so we're good so far but this is a dynamic situation. we don't know what's going to happen tomorrow. >> reporter: for realtors, safety is also a consideration. open houses may be changing. sandy jameson is president of the association of realtors. >> for the elderly sellers, we're recommending to not have the open house because we don't want to ask them to leave the home for an afternoon and put themselves out in the public space when they should really be staying home. >> reporter: so many offices have spaces like these where people can collaborate, where interaction among employees is encouraged. this curren crisis may cause some companies to think about working from home, might be an idea whose time has come back. in san jose, david louie, abc 7 news. >> if yo