| 1 | Malaria is spread by mosquito bites. | |
| 2 | The traveller's face was covered with insect bites. | |
| 3 | All of the important vector species bite at night. | |
| 4 | Malaria caused by mosquito bites which spread parasites to human beings. | |
| 5 | Apply roll-on antiperspirant to the bite.The itching should stop almost immediately. |