1. Tested positive by any test for acute COVID-19 and/or have ICD-10 code for COVID-19 in their electronic health records (EHR)

2. Any patient having the ICD-10 code for post-acute sequelae of COVID-19 (PASC) within their EHR, or any patient who has evidence of a Long COVID clinic visit within their EHR

3. Have persistent COVID-19 symptoms 3 months following resolution of acute COVID-19 infection as indicated by a negative COVID-19 test

4. Self-identified as having Long COVID based on symptomology:

a. Symptoms must include any combination of the following: (ICD-10 codes shown):

* Shortness of breath (R06.02, R06.00, or R06.09)

* Fatigue (R53.83, or R53.82)

* Cognitive impairment (G31.84 or R41.9)

* Mental, Behavioral, and Neurodevelopmental disorders (F01-F99)

* Postural orthostatic tachycardia syndrome (POTS) (I49.8)

5. Participants must have auditory headphones; over the ear headphones or earbuds

6. Participants must be at least 18 years of age, inclusive, at the time of signing the informed consent

7. Capable of understanding and providing signed informed consent

8. Participants must have a smart phone

9. Reliable access to internet via browser installed on a smartphone

Vagal Approaches on Long COVID-19

What this study is about