sentence: Influenza can also lead to other diseases, such as pneumonia.
sentences_before: Human Influenza can pass from one person to another very easily. It is most commonly spread by the microscopic droplets of mucus and fluid that are sent into the air when the sick person coughs or sneezes. Symptoms include cough, sore throat, muscle aches and pains, fever, headache, and rarely vomiting and diarrhoea.
sentences_after: This makes it especially dangerous to young children, and old people.
concept_name: influenza
headings: Influenza Flu transmission and symptoms
categories: Pulmonology Diseases caused by viruses