I guess conservatives believe this stuff but Democrats including Joe Biden, Chuck Schumer, and Chris Murphy were all publicly complaining Trump wasn’t taking this seriously enough in late January and early February.

More broadly, going back for years public health experts tried to warn that the Trump administration was taking the already-inadequate pandemic preparedness situation it inherited and making it worse. https://www.vox.com/science-and-health/2018/2/23/16974012/trump-pandemic-disease-response

This was written about quite a lot, including by Obama’s former Ebola Czar. https://www.vox.com/future-perfect/2018/10/15/17948062/pandemic-flu-ebola-h1n1-outbreak-infectious-disease