1.   A nurse at the clinic was found to be carrying the virus.

2.   An acupuncturist at the clinic was found to be carrying the virus, which infects the liver.

3.   Some scientists think that the infection has spread from dogs carrying canine distemper virus.

4.   Although many people carry the virus for decades without becoming sick, others develop cirrhosis, liver failure or cancer.

5.   Also, and very importantly, it would greatly reduce the propagation of diseases from crops such as potato and cassava that carry viruses with each cutting planted.

6.   And increasingly those carrying the virus, like Green, are African-American.

7.   And increasingly, some carry viruses that have attached themselves to the address books of friends, with attachments which, if opened, could destroy my computer.

8.   Around-the-clock investigation blamed the white-bellied deer mouse, whose urine can carry the virus.

9.   At the dawn of the AIDS epidemic, epidemiologists could trace those with symptoms from AIDS but had no way of knowing who might be silently carrying the virus.

10.   Because AIDS is a fatal illness, Bragdon said health care professionals should take special precautions in treating patients who carry the virus.