Ключевые слова: age, ageing, aging, budget, building, care, clinic, contagion, cost, disease, doctor, elderly, emergency, epidemic, explosion, figure, health, healthy, help, hospital, human, ill, increase, lack, man, medical, medicine, miniature, model, nurse, old, old age, older, pandemic, patient, person, pill, senior, shortage, sick, sitting, standing, tablet, treatment, welfare, wheelchair,