| 1 | She died from acute pneumonia. | |
| 2 | You have got acute conjunctivitis. | |
| 3 | The initial, acute phase lasts for about two months after infection. | |
| 4 | Seasonal influenza is an acute viral infection caused by an influenza virus. | |
| 5 | Yellow fever is an acute, haemorrhagic, viral disease that is transmitted to humans by infected mosquitoes. |