Across
- 1. An increase in body temperature, symptom related to flu
- 4. A common seasonal viral infection found in all parts of the world
- 6. A disease caused by influenza A (H1N1)
Down
- 2. A substance designed to stimulate immunity to a specific pathogen
- 3. What happens as a result of close contact with infected animals?
- 5. If swine flu is suspected, what should the patient do?