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Further, calcium regulates spermatogenesis as well as the growth, differentiation, and proliferation of spermatogonia and spermatocytes (108)

In support of the idea that cross-protective immunity exists, recent HCoV infections were found to be associated with less severe COVID-19 upon infection with ancestral SARS-CoV-2 [103], and infection with SARS-CoV-2 of any variant was also associated with a reduced incidence of subsequent HCoV infection

This work was sponsored by grants from the National Key Research and Development Program of China (No

doi: 10.1007/s13204-022-02638-9 104 ZhangN.HuZ.ZhangZ.LiuG.WangY.RenY.et al