Does particulate matter cause the spread of COVID-19?

Fine dust may play a role in the spread of viruses such as COVID-19, but the relationship is complex and not fully understood. There are several mechanisms and factors that need to be considered:

Fine particulate matter in the air can act as carriers of viruses, including the SARS-CoV-2 virus that causes COVID-19. This means that viruses can attach to fine particulate matter and then be spread through the air. However, it is still unclear to what extent this mechanism contributes to the spread of COVID-19.

Particulate matter can irritate the airways and cause inflammation, making the lungs more susceptible to infection. People exposed to high levels of particulate matter may be at higher risk of severe forms of COVID-19, because their lungs are already more vulnerable.

Some studies have shown that areas with higher levels of air pollution, including particulate matter, have higher COVID-19 incidence and mortality rates. This suggests a possible correlation between air pollution and the severity of COVID-19 outbreaks. However, it is difficult to prove a direct causal relationship, because many other factors (such as population density, healthcare, and socioeconomic status) also play a role.

Source: https://www.sciencedirect.com/science/article/pii/S0269749120320601?via%3Dihub

Author: Prof. Dr. Dirk Devroey - Latest update: 2022-12-01 - Copyright: Clinifacts 2024