Group 1 - The nucleic acid testing capacity has increased from 300 tests per day to 20,000 tests per day, reducing the time from sampling to feedback from 2 days to 4-6 hours [1] - Over 330 medical teams and more than 40,000 medical personnel have been dispatched to Wuhan [1] - The cure rate for severe patients in designated hospitals in Wuhan has improved from 14% to 64% [1] - The total number of cured and discharged patients nationwide has exceeded 36,000 [1] Group 2 - The rapid increase in COVID-19 cases in Wuhan has been effectively controlled, with daily new confirmed cases dropping from a peak of 3,910 on February 13 to 313 on February 27 [3] - The proportion of severe cases among confirmed cases in Wuhan has decreased from 31.6% on February 11 to 22.4% on February 27, and the mortality rate has dropped from 9.0% to 4.4% [3][4] - In other cities of Hubei province, new confirmed cases have decreased from over 1,400 on February 12 to 5 cases, with a stable mortality rate of 3.1% [5] Group 3 - The overall situation of the epidemic is improving, but there is still a significant risk of rebound due to increased population movement as businesses and schools resume operations [11] - The national industrial enterprise resumption rate is gradually increasing, with Zhejiang exceeding 90% and several other provinces above 70% [11] - The strategy for epidemic prevention and control is shifting from static to dynamic management, with a focus on localized and precise control measures [12]