This isn't really an urgent "alert" system per se, more of a knowledge dissemination system. Security postmortems more so than critical security patches.
We have good reason to believe it'd show up here given that Kansas's TB situation has had multiple bulletins over the years
https://www.cdc.gov/mmwr/volumes/72/wr/mm7235a4.htm
https://www.cdc.gov/mmwr/volumes/73/ss/ss7304a1.htm