Across
- 2. The pathogen which causes the flu
- 4. Another word for flu
- 6. A symptom which lets your body temperature rise higher than normal.
Down
- 1. A drug used to treat the flu
- 3. A sudden burst of air expelled from the lungs through the nose and mouth
- 5. How many types of influenza viruses are there?
- 6. A state of tiredness
- 7. A preventive measure to protect against the influenza virus.