| 1 | For years, Henan officials attempted to cover up the epidemic. | |
| 2 | He was vaccinated against several diseases at one time. | |
| 3 | Reporting any signs of disease is key for surveillance and control measures. | |
| 4 | Thousands of health staff, including epidemic surveillance and control officers, have been sent to affected areas. | |
| 5 | This shows how vital better prevention is to blunting and turning back the epidemic. |