World Health Organization

Smoking and COVID-19

This review assesses the available peer-reviewed literature on the association between smoking and COVID-19, including:

  1. Risk of infection by SARS-CoV-2
  2. Hospitalization with COVID-19
  3. Severity of COVID-19 outcomes amongst hospitalized patients such as admission into intensive care units (ICU), use of ventilators and death.

Source: Smoking and COVID-19