Epithelial tight junctions define the paracellular permeability of the intestinal barrier.
Molecules can cross the tight junctions via two distinct size-selective and charge-selective …

Considerable research effort has been made worldwide to decipher the immune response
triggered upon severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections …

The world continues to contend with successive waves of coronavirus disease 2019 (COVID-
19), fueled by the emergence of viral variants. At the same time, persistent, prolonged and …

The pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infection has resulted in an unprecedented setback …

Manipulation of the gut microbiota via fecal microbiota transplantation (FMT) has shown
clinical promise in diseases such as recurrent Clostridioides difficile infection (rCDI) …

SARS-CoV-2 is primarily an airborne infection of the upper respiratory tract, which on
reaching the lungs causes the severe acute respiratory disease, COVID-19. Its first contact …

The innate immune system serves as the first line of defense against invading pathogens;
however, dysregulated innate immune responses can induce aberrant inflammation that is …

Patients with long COVID suffer from many neurological manifestations that persist for 3
months following infection by SARS-CoV-2. Autonomic dysfunction (AD) or dysautonomia is …

COVID-19, the disease caused by SARS-CoV-2, has caused significant morbidity and
mortality worldwide. The betacoronavirus continues to evolve with global health implications …

The development and deployment of vaccines against COVID-19 demonstrated major
successes in providing immunity and preventing severe disease and death. Yet SARS-CoV …