The position requires sufficient vision, hearing, manual dexterity, mobility, health, and strength to perform frequent handwriting and data entry; use of medical equipment and electronic communication devices; repetitive hand and arm movements; frequent travel by unpressurized aircraft, private vehicles, small boats, snowmachines, or all‑terrain vehicles in all weather conditions; frequent light physical activity (lifting, pushing, pulling up to 20 pounds) and occasional moderate to heavy lifting (20-50 pounds or more); exposure to infectious diseases, blood, bodily fluids, and hazardous situations; and occasional provision of emergency care outside the clinic, including in patients' homes or outdoor environments in all weather conditions. The CHA primarily works in an assigned village clinic and consults with a referral physician or supervising healthcare provider via radio, telephone, fax, telemedicine, or email.