Get a COVID test and make sure you are negative BEFORE you travel..Widespread testing.
Contact tracing for folks who have COVID-19.
Quarantining people who have it.
Not sharing indoor air for extended periods of time with people who may have it.
Wearing a mask or face covering when within 6 feet of other people.
Putting time and money into building an adequate PPE supply and treatment facilities.
Isolate for an appropriate period when you arrive at the destination and get tested again to be sure you are negative before going out in the community.
Wear a decent mask at all times indoors and around other people for extended periods outdoors.