Since the outbreak of #COVID19, the #coronavirus has had a number of variants, including Alpha, Beta, Delta and #Omicron. Nations have gone through different phases of lockdown, reopening and returning to normalcy. While China has optimized its COVID-19 policy, what about other countries like the U.S. where hospitalizations, positive tests and deaths are all rising? What are the lessons we can share? For insights, CGTN's Tian Wei talked to Jeffrey Sachs, who served as the chair of the COVID-19 commission for leading medical journal the Lancet.#MovingForward