Background and aims The coronavirus disease 2019 (COVID-19) pandemic is severely
threatening and challenging public health worldwide. Epidemiological studies focused on …

Background Air pollution exposure may make people more vulnerable to COVID-19
infection. However, previous studies in this area mostly focused on infection before May …

Background The COVID-19 pandemic presents unprecedented challenge for global public
health systems and exacerbates existing health disparities. Epidemiological evidence …

Background Air pollution is speculated to increase the risks of COVID-19 spread, severity,
and mortality. Objectives We systematically reviewed studies investigating the relationship …

Background Air pollution is one of the world's leading mortality risk factors contributing to
seven million deaths annually. COVID-19 pandemic has claimed about one million deaths in …

Exposure to outdoor air pollution may affect incidence and severity of coronavirus disease
2019 (COVID-19). In this retrospective cohort based on patient records from the Greater …

Background: The tremendous global health burden related to COVID-19 means that
identifying determinants of COVID-19 severity is important for prevention and intervention …

Abstract The Sars-CoV-2 disease (known as COVID-19) has become a global public health
emergency. Researchers have been unveiling the transmission mechanisms and disclosing …

People with chronic obstructive pulmonary disease, cardiovascular disease, or hypertension
have a high risk of developing severe coronavirus disease 2019 (COVID-19) and of COVID …

The novel coronavirus pneumonia, namely COVID-19, has become a global public health
problem. Previous studies have found that air pollution is a risk factor for respiratory infection …