What difference can it make?
We will hear more Tuesday. I expect it has to do with manipulation of 'the curve' via guidelines on social distancing and no unnecessary activity, moderated with considerations including:
A. Chloroquine production and distribution realities. ~ 5 per person,
B. Testing technology and implementation for individuals already carried and healthy - X nr people ...
Example - https://www.itv.com/news/2020-03-19/uk-very-close-coronavirus-test-to-reveal-who-has-had-covid-19-with-no-symptoms/
C. Hugely ramped up production of proper masks for individuals pending prophylactic treatment with chloroquine.
One can hope. None the less, I really don't expect our more volatile types in high crime areas to wait that long.
4/2/2020 - Update on the efficacy of Chloroquine - https://twitter.com/i/status/1245671458505924608 Lets get rolling on this, squash the bug, get America running full tilt - and present the bill the the CCP.