Nearly 37 million people in China may have been infected with Covid-19 on a single day this week, according to estimates from the government's top health authority, making the country's outbreak by far the world's largest.As many as 248 million people, or nearly 18% of the population, likely contracted the virus in the first 20 days of December, according to minutes from an internal meeting of China's National Health Commission held on Wednesday, confirmed with people involved in the discussions.Beijing's swift dismantling of Covid Zerorestrictions has led to the unfettered spread of the highly contagious omicron variants in a population with low levels of natural immunity.They did cite Ma Xiaowei, the head of the NHC, reiterating the new, much narrower definition used to count Covid fatalities.While acknowledging that deaths will inevitably occur as the virus spreads rapidly, he underscored that only people who die from Covid-induced pneumonia should be included in the mortality statistics."