with new confirmed cases decreasing, the main covid-19 battlefield has shifted to the icus. dr. zhou ning is a cardiovascular physician from tongji hospital, tongji medical college, huazhong university of science & technology. he did an ecmo operation for critically ill patients in the icu. "sometimes life is fragile, sometimes life is strong. we have taken the first difficult step in better understanding covid-19. in the future, the mortality rate will be further lowered. we will do our best," he said.
