Public health agencies and vaccine developers around the world have repeatedly said that they are not cutting corners during the rollout, and that the unprecedented speed of development has been fostered by the unprecedented urgency of a global disaster and unprecedented resources.
世界各地的公共衛生機構和疫苗研發人員一再表示,他們在推廣過程中沒有偷工減料,全球災難的空前緊迫和資源的空前豐富促進了研發速度。