How Did New Zealand Control COVID-19?

New Zealand, a modern small island nation, has become an emblematic champion of proper prevention and response to the coronavirus 2019 (COVID-19) pandemic. Leading into this weekend, the country of approximately 5 million has just 2 dozen active COVID-19 cases—a full month after having reported absolutely none, on the backbone of strict initial travel policies, science-based government action, and strategies responsive to testing limitations. What else went into New Zealand’s pandemic response—and what could serve as guidance for other countries?