Cohort 1, 3, 4 and 5:

Females and males over 18 years old

Willing to share demographic data with the sponsor of the study

Willing to follow app use instructions during the course of the study

Willing to complete survey instruments as described in study procedures

Willing to provide electronic informed consent

Able to read and understand the English language well enough to complete electronic informed consent

Cohort 2:

Any person present in the vicinity of a HealthMode Cough Monitoring Device

Audio Data Collection for Identification and Classification of Coughing