Singapore had been a master class in how to handle the Covid-19 outbreak.
Before the disease even had a name, the country had stringent travel restrictions and an efficient contact-tracing operation which contained the virus’s spread.
But in recent days, the number of confirmed cases has rocketed. Thursday brought the highest day of new infections to date at 287, up from 142 the day before.
Mostly, these are coming from densely-packed migrant worker accommodation.
Having avoided it for months, Singapore is now under a partial lockdown, with schools and non-essential businesses closed, and people urged to stay at home.
Experts say one of the world’s wealthiest nations – which seemed to be doing everything right – has important lessons for poorer countries, and there’s still time to put them in place.