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Immune Response to COVID-19 During Pregnancy

Ge Chen1, Qiuyue Liao1, Jihui Ai1

  • 1Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.

Frontiers in Immunology
|May 20, 2021
PubMed

Pregnant women are generally more susceptible to viral infection. Although the impact of SARS-CoV-2 on pregnant women remains to be determined, evidence indicates that risks of adverse clinical outcomes are similar in pregnancy to the general population. Here we analyzed clinical symptoms and outcomes of 20 pregnant and 299 reproductive-aged non-pregnant female COVID-19 patients who were hospitalized during the same period. Laboratory measurements were compared among mild cases and healthy pregnant women. Our study found that pregnant patients showed enhanced innate immune response evident by higher neutrophils and C-reactive protein. Cytokines, chemokines, and growth factors (CCGFs) profiles from 11 pregnant and 4 non-pregnant COVID-19 patients and 10 healthy pregnant female patients, and lymphocyte subsets analysis of 7 pregnant patients and 19 non-pregnant patients, indicate suppressed cytokine storm and potential enhanced CD8+ T cell and NK cell activity in pregnant patients with COVID-19, which may be essential in contributing to the unique anti-SARS-CoV-2 response in pregnancy.

Keywords:
COVID-19cytokinesimmune responselymphocyte subtypespregnant women

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