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
A pandemic killing tens of millions of people is a real possibility — and we are not prepared for it
A century ago, the Spanish flu killed more than 50 million people. The world is at risk of another pandemic of similar scale.https://www.vox.com/future-perfect/2018/10/15/17948062/pandemic-flu-ebola-h1n1-outbreak-infectious-disease