21.   The skin cracks, leaving the extremities vulnerable to secondary infections.

22.   There is also some evidence that onions may help fight off secondary bacterial infections.

23.   They should be used only if a secondary infection caused by a bacteria, such as sinusitis, has developed.

24.   Treatment is aimed primarily at preventing secondary bacterial infection, which may occur if the blister is scratched or broken.

25.   While influenza is a virus, it can lead to a secondary infection, pneumonia, caused by bacteria.

26.   While influenza is caused by a virus, it can lead to a secondary infection, pneumonia, caused by bacteria.

27.   When the liver malfunctions, the body is vulnerable to secondary infections and general organ failure.

28.   At least three Cabinet ministers have died from AIDS, but each time secondary infections were given as the cause of death.

29.   But a near fatal bout with pneumonia in November and secondary infections kept him in hospital for four months until March, forcing him to resign as premier.

30.   Earlier in the day the hospital said Papandreou was not showing signs of a new secondary infection and had no fever.