If we're talking about South Korea, you need to add widespread testing, mandatory quarantine for confirmed cases, and isolation for people possibly exposed.
Regardless, areas of the US that have mask and social distancing mandates still have high case rates. It seems like the driver of surges in those areas are mainly due to people violating other restrictions, like having indoor gatherings.
Regardless, areas of the US that have mask and social distancing mandates still have high case rates. It seems like the driver of surges in those areas are mainly due to people violating other restrictions, like having indoor gatherings.