Flattening the coronavirus disease (COVID-19) curve has been one of the most important public health targets since the outbreak of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) worldwide. In this review, we examined measures that were key to flattening the curve in countries that have succeeded in achieving this against other countries. The most consistent factors seen from studies were aggressive testing, contact tracing, social distancing, quarantine measures, and innovative technology. These factors were reported to have helped achieve drop in the number of daily new cases reported. Countries like South Korea and Australia employed extensive testing of their residents as a means of curbing the pandemic and limiting its spread. China and Spain employed tracking software and artificial intelligence (AI) in ensuring that infected individuals remained isolated for the recommended number of days and that close contacts of positive cases were tested and quarantined as well. While efforts towards developing a vaccine are still ongoing, and the possibility of a second wave in many countries, we discussed pertinent public health measures and recommendations.

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