At a press briefing on Wednesday, WHO Director-General Tedros Adhanom Ghebreyesus said the U.N. agency needs more information on COVID-19 severity in China, particularly regarding hospital and intensive care unit admissions, “in order to make a comprehensive risk assessment of the situation on the ground.”“WHO is very concerned over the evolving situation in China with increasing reports of severe disease,” Tedros said.Some scientists have warned that the unchecked spread of COVID-19 in China could spur the emergence of new variants, which might unravel progress made globally to contain the pandemic.China's Li praises Hong Kong leader for reviving economyIndia to randomly test international visitors for COVID-19Seoul: North Korean hackers stole $1.2B in virtual assetsChina limits how it defines COVID deaths in official countRyan said the explosive surge of cases in China was not exclusively due to the lifting of many of the country’s restrictive policies and that it was impossible to stop transmission of omicron, the most highly infectious variant yet seen of COVID-19.“The question remains whether or not enough vaccination can be done in the coming week or two weeks that will actually blunt the impact of the second wave and the burden on the health system,” Ryan said.Like Tedros, he said WHO had insufficient information about the extent of severe disease and hospitalization, but he noted that nearly all countries overwhelmed by COVID-19 had struggled to share such real-time data."