Issue features:

The issue starts with an interesting Editorial on Gut-Brain Axis: Unveiling the Role of the Microbiome in Mental Health Disorders, and presents original studies on Association of OCT1 (rs628031) with COVID-19 Severity in Diabetic Individuals, Exploring the Role of Sperm-derived microRNAs in Idiopathic Recurrent Pregnancy Loss, and Isolation of Potential Hydrocarbon-degrading Microorganisms to Enhance Biodegradation in Hydrocarbon-contaminated Soils.

Further, some interesting reviews find their place such as miRNAs in Infertility, Shadow Beneath the Lamp: Pediatric Response to Different Variants of SARS-CoV-2, Immune Regulatory Cells in Atherosclerosis, The Relationship between Microorganisms and Cancer, Micro-RNA Enshroud Role in Human Pregnancy and finally an interesting study on Nutritional Support during COVID-19: Approaches and Evidence.