标本应在收集后一小时内冷藏(2至8℃）或冷冻(-20℃或更低)，并尽快进行检测。能在一周以内检测的标本可置于4℃保存;无法检测的标本，短期可在-20℃中保存，长期应置于-70℃以下保存(收集后>60天)。全血分离血浆前冷藏(2至8℃),然后-20℃或以下保存。应设立专库或专柜单独保存标本。标本应避免反复冻融。

Samples should be refrigerated (2 to 8 ℃) or frozen (- 20 ℃ or lower) within one hour after collection and tested as soon as possible. The specimens that can be tested within one week can be stored at 4 ℃; Specimens that cannot be detected can be stored at - 20 ℃ for a short time and below - 70 ℃ for a long time (>60 days after collection). The whole blood is refrigerated (2 to 8 ℃) before plasma separation, and then stored at - 20 ℃ or below. A special library or counter shall be set up to store specimens separately. Repeated freezing and thawing of specimens shall be avoided.