Across: |
| 1. | The treatment is to take over-the-counter ___s. |
| 3. | ___ season in the U.S. is usually December to March. |
| 7. | All of a sudden, you have ___, and your body aches. |
| 8. | All of a sudden, you have a high ___. |
| 9. | It doesn't ___ up on you, like a cold does. |
| 11. | In 1918, it killed 20 million people ___wide. |
| 13. | ___ attacks up to one billion people annually. |
| 15. | The victim becomes too weak to battle the ___. |
| 20. | In the U.S., it kills 20,000 ___. |
| 21. | For most ___s, the treatment is to simply wait it out. |
| 22. | The infection may become bacterial with deadly ___s. |
| 24. | Those most susceptible are people with ___ problems. |
| 26. | The flu is a very contagious viral ___. |
| 28. | The incubation ___ is about three days. |
| 29. | The infection may become bacterial with ___ consequences. |
| 30. | The flu is a viral infection spread through the ___. |
| 31. | The next best ___ is to get an annual flu shot. |
| 32. | The initial viral infection may become a ___ infection. |
| 34. | The flu is a very ___ viral infection spread by coughing. |
| 36. | ___s usually go away within two weeks. |
| 40. | The ___ period is about three days. |
| 42. | In 1918, it killed 20 ___ people worldwide. |
| 43. | Most susceptible are people with lung problems, such as ___. |
| 44. | This ___ reduces the number of people who get infected. |
| 45. | The initial ___ infection may become bacterial. |
| 46. | Those most susceptible are people with ___ heart problems. |
| 47. | Influenza attacks up to one ___ people annually. |