Effects of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and coronavirus (COVID-19) vaccination on male fertility
Fei Chen
A # , Yunfei Zhang A # , Yingze Zhang A , Yuqi Li A , Jiao Ma A , Yining Qin A , Shuwen Deng A , Yuhan Zhang A , Deyang Wang A , Haiying Wang A and Juan Lin A *
A
Handling Editor: Evgeny Semchenko
Abstract
Coronavirus disease 2019, which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), remains an ongoing global public health challenge. This disease causes damage not only to the respiratory system, affecting the normal physiological function of the lungs, but also to other vital organs, such as the heart and testicles. Existing studies have shown that co-expression of angiotensin-converting enzyme 2 and transmembrane serine protease 2 is the main mechanism by which SARS-CoV-2 invades host cells. Angiotensin-converting enzyme 2-expressing cells are widespread in the corpus cavernosum, reproductive tract and testis of men, which has raised concerns. Furthermore, abnormal sex hormone levels and decreased semen parameters were observed in coronavirus disease 2019 patients. This study comprehensively assessed the effects of SARS-CoV-2 infection on the testis, semen parameters, sex hormone levels and erectile function, and discussed possible transmission routes during sexual intercourse and the effect of vaccination on male fertility.
Keywords: COVID-19, male fertility, SARS-CoV-2, semen parameters, sex hormones, testis, testosterone, vaccine.
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