February 28th, 2022+February 24th, 2022. On March 1 2022, Shanghai held a press conference on epidemic prevention and control to inform the first case of COVID-19 epidemic in Shanghai, indicating that the case was a 56-year-old female retiree who went to tongji hospital fever clinic on February 28, 2022 because of fever. Since then, the Shanghai epidemic has started to break out. On February 24, 2022, at 65438, the official platform of Shanghai announced that 65 days later, Shanghai was finally completely unsealed and the Shanghai epidemic ended.