Hong Kong fourth wave: city to launch ‘new command centre’ to ramp up Covid-19 contact tracing, while Carrie Lam admits past shortcomings

• A government insider says the new centre will be staffed by hundreds of officials from the police force, customs, immigration and other departments
• City leader Carrie Lam says while Hong Kong has done well with testing, quarantine, ‘tracing of close contacts of confirmed cases could have been done better’