Pulmonary Artery Hypertension Patients and the Coronavirus Disease of 2019 (COVID-19): Are They Protected from Severe Disease?

The coronavirus disease of 2019 (COVID-19) is a current pandemic of viral infection which mainly involve respiratory system and may progress into severe multiple organ dysfunction and mortality. Pulmonary artery hypertension (PAH) is considered to be not in greater risk to develop severe COVID-19. However, whether this population is protected from severe COVID-19 is unclear. There are protective and offensive factors need to be considered in PAH patients in respect to COVID-19.