Cohort Description The Severe Asthma Research Program (SARP) has been investigating the clinical, physiologic and molecular phenotypes of asthma since 2000. It is currently following ~400 deeply phenotyped asthma patients. Data Being Submitted <ul><li>Wave 1 questionnaire data includes 397 variables for up to 375 SARP participants in C4R.</li><li>Wave 2 questionnaire data includes 448 variables for up to 289 SARP participants in C4R.</li><li>Dried Blood Spot/Serosurvey data includes 7 variables for up to 290 SARP participants in C4R.</li><li>Derived data includes 43 variables for up to 463 SARP participants in C4R.</li><li>Phenotype data includes 113 variables for up to 463 SARP participants in C4R.</li></ul>

Collaborative Cohort of Cohorts for COVID-19 Research (C4R): Severe Asthma Research Program (SARP)