Note from FDA:

FDA Lapse in Funding 

In the absence of either an FY 2019 appropriation or a Continuing Resolution for FDA, beginning on December 22, 2018 and continuing until the date of enactment of an FY 2019 appropriation or Continuing Resolution ("lapse period"), agency operations continue to the extent permitted by law, such as activities necessary to address imminent threats to the safety of human life and activities funded by carryover user fee funds. Read more