11.   When there is active infection, the virus can be found in saliva, urine, vaginal discharge, and semen.

12.   Ear infections are common in pre-school children.

13.   Infections are more likely in those suffering from malnutrition.

14.   The infection is treatable with antibiotics.

15.   Finally, recurrent HBV infection was a principle or a contributing factor in all deaths.

16.   In this study H pylori infection was present in all old subjects with atrophy with one exception.

17.   It is now generally acknowledged that Helicobacter pylori infection is the major cause of antral gastritis.

18.   The present study indicates that H pylori infection is not the unknown factor.

19.   Mixed infections were common in both.

20.   There was insufficient evidence to determine if the mixed infections were concurrent, intercurrent, or sequential.