Cinnamon mediated- zinc oxide nanoparticles and its cryogenic effect on SARS-CoV-2 recovered HTPI patients – An in vitro cum pilot study

•1. This is the first study on homeostatic status and its influence on fertility in male by SARS CoV-2.•2. Male infertility by hyper blood pressure as a side effects of SARS CoV-2.•3. SARS CoV-2 entry and possible mechanism on spermatogenesis by ACE-2 to homeostatic imbalance caused Testosterone reduction in Covid-19 recovered subjects.•4. Use of Zinc rich component and its importance in during and after Covid-19 associated infertility.