Ключевые слова: background, bacteria, bacterium, business, character, closeup, colorful, concept, design, desk, disease, doctor, education, epidemic, fever, flat, handwritten, health, hospital, human, ill, illness, illustration, immunization, infection, infectious, inflammation, medical, medicine, message, note, notepad, office, pain, paper, person, salmonella, science, sick, sickness, symptoms, table, text, treatment, typhoid, vaccination, vaccine, virus, wood, wooden,