What causes acute bronchitis?

Q: What causes acute bronchitis?

Viruses (e.g., respiratory syncytial virus (RSV), enterovirus, influenza A and B, parainfluenza, coronavirus, and rhinovirus) cause approximately 90% of acute bronchitis cases. Bacterial infections are relatively uncommon, accounting for only 1%–10% of cases.<a href="#ref-1" id="ref-link-1" class="ref-link popover" data-tooltip='<div><p class="mb-3">Harris AM, et al. <a href="https://pubmed.ncbi.nlm.nih.gov/26785402" target="\_blank" rel="noopener noreferrer">Appropriate Antibiotic Use for Acute Respiratory Tract Infection in Adults: Advice for High-Value Care From the American College of Physicians and the Centers for Disease Control and Prevention</a></p>Ann Intern Med (2016 Mar 15)</div>'> [1] [2]

Question

Accepted Answer

Viruses (e.g., respiratory syncytial virus (RSV), enterovirus, influenza A and B, parainfluenza, coronavirus, and rhinovirus) cause approximately 90% of acute bronchitis cases. Bacterial infections are relatively uncommon, accounting for only 1%–10% of cases.^[1]^[2]

What causes acute bronchitis?

References