نبذة مختصرة : Objective (s): Since the rapid expansion of Covid 19, a series of precise prevention and control measures have been taken place to reduce the prevalence of this pandemic in China and other countries worldwide. The aim of this study was to compare the policies of selected countries to combat the corona virus disease 2019. Methods: This comparative review study conducted in 2020. Required information (demographic information, statistical information, control policies and their results) extracted from articles from official and valid databases and sites. Results: The selected countries have more and less implemented these policies: quarantining infected patients, the restrictions, health education, disease detection, punishing for defecting Covid-19 laws, and recessing schools and universities. South Korea and China have also implemented quarantine policies for contaminated cities and geographical tracking. Conclusion: A set of comprehensive, coordinated and integrated policies and measures was implemented by successful countries for controlling Covid-19 spread including: quarantine of patients and cities, extensive disease detection, geographical tracking, penalties for violating protocols, health education. Countries in where the policies were implemented more strictly were more successful in controlling this pandemic.
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