Eligibility covers any individual whose work supports the delivery of healthcare services (US/UK/CA/AUS). This includes licensed clinicians—physicians, surgeons, physician assistants, nurse practitioners, registered or vocational nurses, midwives, dentists, dental hygienists, pharmacists, optometrists, psychologists, and all physical, occupational, respiratory, speech, radiologic or other rehabilitation therapists—as well as paramedics, emergency medical technicians and other first responders. Qualified applicants also include non-clinical personnel employed by hospitals, clinics, private practices, nursing homes, assisted-living facilities, blood banks, laboratories, imaging centers, hospices, home-health, telehealth, public health departments, medical transport firms, dental offices and similar providers. Administrative, research, IT, supply chain, security and other support roles within those organizations are accepted. Proof may be an employer ID badge, paystub, contract, professional license, training record such as BLS certification, Blue Light Card or any document that reasonably demonstrates past or present affiliation with a healthcare-providing entity.