11.   The antibiotic ointment will prevent infection.

12.   The wounds of both eyes and rootstocks should be dusted with charcoal or sulphur to help prevent infection.

13.   Treatment can help prevent the infection from seriously damaging the foetus.

14.   Looking to the future, though, we asked him what the prospects are for a vaccine to prevent infection in the first place.

15.   The doctor took steps to prevent perinatal infection.

16.   Anoint the wound with antiseptic to prevent infection.

17.   In hospital Andrew suffered serious side-effects when he was given a drug to prevent infection.

18.   Although vaccines can prevent viral infections, drugs do not cure any viral disease the way antibiotics can cure some bacterial infections.

19.   Although four weeks of treatment is recommended to prevent infection, people taking the same drugs to treat established HIV infections usually remain on them for life.

20.   And she may need four or five other drugs to prevent imminent infections.