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先前感染过 SARS-CoV-2 与预防有症状的再次感染有关。

Prior SARS-CoV-2 infection is associated with protection against symptomatic reinfection.

机构信息

Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom; National Institute for Health Research (NIHR) Newcastle Biomedical Research Centre, Newcastle University and The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.

Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom; The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United KingdomThe Newcastle Hospitals HCW Testing Group(1).

出版信息

J Infect. 2021 Apr;82(4):e29-e30. doi: 10.1016/j.jinf.2020.12.023. Epub 2020 Dec 26.

DOI:10.1016/j.jinf.2020.12.023
PMID:33373652
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7832116/
Abstract

• Whether SARS-CoV-2 infection confers immunity to reinfection is uncertain. • The ‘second wave’ of transmission offered an opportunity to examine this. • We observed no symptomatic reinfections in a cohort of healthcare workers. • This apparent immunity to re-infection was maintained for at least 6 months. • Further studies are required to define immunological mechanism(s) and durability.

摘要

• SARS-CoV-2 感染是否能提供再次感染的免疫力还不确定。• 传播的“第二波”提供了一个检验的机会。• 在一组医护人员中，我们没有观察到有症状的再次感染。• 这种对再次感染的明显免疫力至少能维持 6 个月。• 需要进一步的研究来明确免疫机制和持久性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55db/7832116/f6a92a74b38e/fx1_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55db/7832116/f6a92a74b38e/fx1_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55db/7832116/f6a92a74b38e/fx1_lrg.jpg

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