Ключевые слова: alert, anality, antibiotic, banner, biology, bird flu, blue, china, concept, contagion, danger, design, diagnosis, disease, epidemic, fever, flu, health, hospital, hospitality, human, infect, infection, influence, lethal, medical, medicals, medicine, microbe, microbiology, microscopic, net, outbreak, pandemic, pathology, place, pneumonia, prevention, research, respiratory, science, symptom, text, treatment, vaccine, viral, virology, virus, warning,