Breaking down Hong Kong's dynamic zero Covid-19 strategy

Strict social-distancing rules, snap lockdowns and mandatory testing have defined Hong Kong's "dynamic zero-infection” strategy to curb the spread of Covid-19. City officials insist on pressing ahead as infections rise while other parts of the world move toward a "living with Covid" approach. While Hong Kong has not implemented measures as strict as some cities in mainland China, its leaders have been warned by the central government that deviating from the strategy would be disastrous.