Article 2 COVID-19 coronavirus disease 2019 2 follow up 2 human 2 ACE2 1 Gastrointestinal tract 1 Liver 1 Malaysia 1 Pandemic 1 Reproductive medicine 1 SARS-CoV-2 1 Severe acute respiratory syndrome coronavirus 2 1 Training 1 Women’s health 1 alanine aminotransferase 1 alkaline phosphatase 1 angiotensin converting enzyme 2 1 antiretroviral therapy 1 aspartate aminotransferase 1 atrophic gastritis 1 bilirubin 1 chemotherapy 1 dipeptidyl carboxypeptidase 1 disease severity 1 dysbiosis 1 embryo transfer 1 enzyme activity 1 fecal oral transmission 1 feces analysis 1