1.   Although most chronically infected patients appear to have clinically apparent hepatitis, a subclinical chronic carrier state also exists.

2.   The hospital quarantined the infected patients.

3.   Furthermore diarrhoea or weight loss were absent in a considerable proportion of infected patients.

4.   Investigation of HIV infected patients with abdominal pain has led to the recognition of a condition now widely termed AIDS related sclerosing cholangitis.

5.   If the theory is correct, trials involving HIV infected patients could go ahead as early as next year.

6.   And because newly infected patients often feel fine, they may be less willing to tolerate the inconvenience and side effects of drugs.

7.   And it has led many infected patients, and some of the clinics eager to help them, to keep their identities private.

8.   A potent combination of drugs has eliminated the active AIDS virus from the blood of nine newly infected patients, according to a study released Thursday.

9.   But Piot said that Sao Paulo state in Brazil had an exceptional program because budgets have been increased to provide newer, combination anti-HIV therapies for infected patients.