What does that even mean?

There are no signs of panic in the US. If and when conditions merit panic, it will be too late to panic. Assuming of course we can accurately define "panic".

Harvard Professor Says Global Pandemic Is Likely

Here are a few pertinent snips from the Wall Street Journal Report How Many People Might One Person With Coronavirus Infect?

"Right now, coronavirus is much more of a concern than SARS ever was," said Steven Riley, a professor of infectious-disease dynamics at Imperial College, referring to the global outbreak in 2003, when 8,096 people got sick and 774 died. "The main reason is our estimate of the number of people who are currently infectious is higher than the maximum who were ever infectious at one time with SARS."