After containing their outbreaks through several measures, from strict lockdowns to rapid testing regimes, the Asian economies that have been among the most successful in quelling the coronavirus — Hong Kong, South Korea and China — are now facing resurgence that underscores how it may be nearly impossible to eradicate it.
It’s a painful reminder that as countries open up again and people resume normal life, untraceable flare-ups are likely — even after an extended lull in cases. Scientists have warned that the disease may never go away, because it lurks in some people without causing any outward signs of