Study Assessing Vagus Nerve Stimulation in CoViD-19 Respiratory Symptoms

Inclusion Criteria:

1. Has been tested positive or suspected/presumed positive for CoViD-19

2. Patients with cough, shortness of breath or respiratory compromise (RR>24/min,
increased work of breathing.)

3. O2 Saturation less than or equal to 96% on room air or sensation

4. Agrees to use the gammaCore®-Sapphire device as intended and to follow all of the
requirements of the study including recording required study data

5. Patient is able to provide signed and witnessed Informed Consent

Exclusion Criteria:

1. On home/therapy oxygen (i.e. for COPD patients) at baseline prior to development of
CoViD-19

2. Is already enrolled in a clinical trial using immunotherapeutic regimen for CoViD-19

3. Already gammaCore for other medical conditions

4. A history of aneurysm, intracranial hemorrhage, brain tumors, or significant head
trauma

5. Known or suspected severe atherosclerotic cardiovascular disease, severe carotid
artery disease (eg, bruits or history of transient ischemic attack or cerebrovascular
accident), congestive heart failure, known severe coronary artery disease, or recent
myocardial infarction

6. Uncontrolled high blood pressure (>140/90)

7. Current implantation of an electrical and/or neurostimulator device, including but not
limited to a cardiac pacemaker or defibrillator, vagal neurostimulator, deep brain
stimulator, spinal stimulator, bone growth stimulator, or cochlear implant

8. Current implantation of metal cervical spine hardware or a metallic implant near the
gammaCore stimulation site

9. Belongs to a vulnerable population or has any condition such that his or her ability
to provide informed consent, comply with the follow-up requirements, or provide
self-assessments is compromised (e.g. homeless, developmentally disabled and prisoner)

10. Compromised access to peripheral veinous for blood)

11. Pregnant women