supported by China Medical Board[No.20–365];Bill&Melinda Gates Foundation[No.INV-046218];the National Natural Science Foundation of China[No.72204160].
Background:In the 21st century,as globalization accelerates and global public health crises occur,the One Health approach,guided by the holistic thinking of human-animal-environment and emphasizing interdisciplinary c...
Introduction: The initial global response to the SARS-CoV-2 pandemic focused on adults as adolescents mainly had subclinical infections. Adolescents, however, could transmit the virus and hence be a risk to the elderl...
一、现在完成时态句式二、havebeento,havebeen in和havegoneto用法辨析1."havebeento"表示曾经去过某个地方,强调的是去过的经历或旅行的目的地通常与表示地点的名词连用。例如:一I have been to Paris.(我去过巴黎。)一Have you ever ...