Advice: live on a small island thousands of miles from anywhere.
Exactly. Her advice is useless. Yes, if you live on a small island in the middle of the ocean and you enact draconian measures, you can control disease outbreaks.
New Zealand has a lower population density than Oklahoma, sits by itself in the middle of the ocean, and has a bunch of compliant government lapdogs ready and willing to roll over and die on command. The only thing that would be surprising is if they DIDN’T control this easily.