<p>Cohort Description Prevent Pulmonary Fibrosis (PrePF) has been investigating the clinical, physiologic and genetic phenotypes of interstitial lung disease (ILD) by focusing on families with two or more cases of  ILD and individuals with sporadic IPF. It has recruited over 1,200 families with two or more cases of pulmonary fibrosis. These families with</p>

Collaborative Cohort of Cohorts for COVID-19 Research (C4R): Prevent Pulmonary Fibrosis (PrePF)