A minimum of 100 participants who test positive for COVID-19 on rt-qPCR will be recruited. Based on average COVID-19 incidence rates in high incidence US geographies (~8-12%), this study will enrol a cohort of up to 1500 participants on a rolling basis, to allow for sufficient cough recordings from COVID-19 positive participants to be collected for analysis.Participants will be aged 21 years and older and will not be excluded based on gender, demographic group, or geographic location within the US.https://clinicaltrials.gov/ct2/show/NCT04864535