It isn't a red state blue state thing. Naturally, large urban centers are expected to have higher counts, for a range of reasons, from sheer population to density.
But it isn't true that red states are not preparing or taking steps.
Most states, excepting 5 at this point, have some sort of shelter in place order, either in the entire state or in parts of the states. This goes beyond the federal 'social distancing' guidelines...
In an attempt to stop the spread of the coronavirus, a vast majority of states and the Navajo Nation have given directives, affecting more than nine in 10 U.S. residents.
www.nytimes.com