Health workers then store the blood under controlled conditions.

然后，医护人员将血液储存在可控的环境中。

A study by the La Jolla Institute found T cells that reacted to SARS-CoV-2 in about half of stored blood samples collected between 2015 and 2018.

拉霍亚研究所进行的研究发现，2015年至2018年收集的储存血液样本中，约一半对SARS-CoV-2病毒有反应。

Many of the blood donors were sent home because hospitals were not prepared to store the blood they did not need right away, Habeeb said.

奥马尔指出，医院目前不打算存储不急用的血源，因此很多献血者被劝回。

He studied all things about blood, like transfusions and preservation, leading to a groundbreaking discovery that made it possible to store blood for up to a week.

他研究了输血和保存等所有和血液有关的事物，从而取得了一项开创性的发现，使得血液可以保存长达一周。