Ключевые слова: absence, absent, bedridden, bill, calendar, check, chill, cost, date, disease, doctor, employee, entry, epidemic, expenses, flu, heal, healing, health, hospital, hospitalization, ill, insurance, klinik, leave, medical, medizin, message, of, patient, physican, pracitioner, profession, recovery, reported, service, sick, staff, stay, system, to, treatment, unable, work, working, workplace, world,