Ключевые слова: air, aircraft, aviation, background, blue, concept, contagious, corona, coronavirus, covid19, cure, danger, delivery, face, facemask, flatlay, flight, fly, health, immunity, immunization, injection, liquid, lockdown, mask, medicine, outbreak, pandemic, pharmacology, plane, prevention, protection, provide, quarantine, restriction, risk, safety, sanitary, service, shipping, supply, transfer, transport, transportation, vaccination, vaccine, vial, vials, virus, white,