What makes the elderly more susceptible to SARS-CoV-2 infection?

By | June 14, 2021
Why is severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19 (coronavirus disease 2019), biased towards infecting the aged population? A recently published study by Italian scientists linked aging, DNA damage, telomere shortening, and increased levels of angiotensin-converting enzyme 2 (ACE2) to this relationship.