Viral upper respiratory tract infections – also known as the common cold – afflict everyone, typically three times per year, ...

The bottom line: While echinacea supplements could play a role in boosting your immune system, it’s hard to definitively say ...

Rhinoviruses and endemic coronaviruses are the main causes of the common cold. Recent studies show “common” cold viruses can cause severe and even fatal illness in healthy adults. Infection with ...

Patients with rotavirus and norovirus, infectious diseases that primarily occur during winter, have recently been increasing.