Although research is being conducted on Long COVID or Long COVID-19, whose symptoms continue for weeks and months after initial infection, there are very few ongoing clinical trials on treatments. Anecdotally, there has been what appears to be a successful treatment for Long Covid using Pfizer’s antiviral regimen Paxlovid.

COVID-19 vaccine candidates developed by a Sinopharm subsidiary and Sinovac Biotech to target the Omicron variant were approved for clinical trials in Hong Kong, the companies said on April 16.

Hong Kong reported 13,074 new coronavirus infections and 201 deaths on March 24, slightly higher than 12,240 infections the previous day.

Hong Kong reported more than 20,000 new coronavirus cases on March 18 as health experts called for a clear way out of a “zero COVID” policy that has left the city isolated.

Asia passed the grim milestone of 1 million coronavirus-linked deaths on March 11, a Reuters tally showed, as a spike in Omicron variant infections spreads across the region after starting in nations such as Japan and South Korea.

Hong Kong is in “all-out combat” to contain a surge in coronavirus cases, the city’s number two official said on February 20, with the ramping up of community isolation and treatment units helped by mainland Chinese construction teams.

The latest wave of COVID-19 infections has “overwhelmed” Hong Kong, the city’s leader said on Feb. 14, as daily cases have surged by some 20 times over the past two weeks, leaving hospitals short of beds and struggling to cope. South Korea will begin giving out fourth doses of COVID-19 vaccines during February and supply millions of additional home test kits to ease shortages amid a surge in Omicron infections, authorities confirmed on Feb. 14.

Hong Kong reported a record 2,071 new daily COVID-19 infections on February 14 with 4,500 preliminary positive cases, authorities said, as the city battles to control a worsening outbreak.

Many countries are expanding Covid-19 vaccine booster programs or shortening the gap between shots as governments scramble to shore up protection against the new Omicron variant which emerged during November in southern Africa and Hong Kong.

Countries across the globe shut their borders to Britain on Dec. 21 due to fears about a highly infectious new coronavirus strain, causing travel chaos and raising the prospect of food shortages days before Britain is set to leave the European Union.