51.   Now, scientists believe the right whale population growth is hampered by deadly collisions with boats and fishing line entanglements that can cause infection.

52.   Norwood warned that simply filling the tooth could cause infection that could kill the patient.

53.   Once DNA and other crucial molecules in the bacteria have been ionized, the organisms cannot survive long enough to cause deadly infections.

54.   Others say it may cause infections by propelling harmful bacteria and other organisms into the cervix.

55.   Possible complications include festering of the occluded vein causing infection and scarring, other veins becoming vericosed and taking the place of the one that was sclerosed.

56.   Researchers also took samples of their blood, then gave volunteers either nose drops containing one of five viruses known to cause respiratory infections or harmless salt water drops.

57.   Researchers said the vaccine carries no risk of causing AIDS infection in the volunteers, because it is not made from HIV.

58.   Scientists have learned how bacteria can build up in gaps in the gum, cause infection, weaken the jawbone, and eventually murder teeth.

59.   Rosenstein of the CDC says the question parents most often ask her is whether the vaccine can cause meningococcal infections.

60.   She acknowledged that the pump has caused infections, and some have experienced tube malfunctions.