HONG KONG — For two years, Hong Kong had largely avoided a major coronavirus outbreak with tight border controls and strict social distancing measures. Then Omicron triggered an explosion of infections, exposing the city’s failure to prepare its older — and most at risk — residents for the worst.In a matter of weeks, the outbreak quickly overwhelmed Hong Kong’s world-class medical system. Ambulances arrived at emergency units in droves. Hospitals ran out of beds in isolation wards. Patients waited in gurneys on sidewalks and in parking lots, given emergency blankets for warmth during the coldest and wettest time of the year.Hong Kong’s early success in keeping the pandemic at bay was the starting point of a com …
