Lower levels of ACE2 gene expression in nasal epithelium, the first point of contact for SARS-CoV-2 and the human body, may explain why children have a lower risk of Covid-19 infection and mortality, according to a study. The researchers found that ACE2 gene expression in nasal epithelium was lowest in younger children and increased with age.
According to a new Mount Sinai study, patients experiencing post-acute COVID syndrome (also known as 'long COVID') may have symptoms for at least 12 months after initial COVID-19 infection, significantly and negatively impacting their cognition, ability to work, participation in physical activity, interaction with others, and overall quality of life.