This seems to be the more pertinent excerpt from the same Rutgers PR:
“Saliva testing will also be important for people who are in quarantine because they don’t know how long it will be until they are no longer infectious. This will allow health care workers to release themselves from quarantine and safely come back to work.”
In other words, the test can be self-administered.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”