71.   For one thing, their immune systems are still developing, making them more susceptible to colds and other viral infections.

72.   For example, antibiotics are effective only against bacteria, yet doctors often are pressured by their patients to prescribe them for viral infections.

73.   Four tourists were hospitalized with pneumonia, and the centers said that laboratory analysis indicated that the illnesses were influenza A, a viral infection.

74.   Generally, a cold is a viral infection and its symptoms should pass in a week.

75.   Grudzielanek, who had missed the previous six games with a mysterious viral infection, pinch hit in the seventh inning and struck out.

76.   Hainline said he detected no viral infection or other illness.

77.   Grudzielanek missed six games, bridged by the all-star break, with a viral infection.

78.   He also was hampered by a fractured nose and a viral infection, but has tried to keep his spirits high.

79.   He died of complications from a viral infection last December.