1.   Because it takes time after infection for antibodies to form, he also took many expensive tests designed to detect the virus itself.

2.   Because of regular blood tests in the military, the virus is usually detected early, years before the onset of full-blown AIDS.

3.   Because tests are given regularly, the virus is detected early, long before AIDS symptoms develop and capabilities begin to diminish.

4.   But the viruses were detected only after infected people were treated in the United States and Germany.

5.   But to detect the virus, scientists usually need fresh tissues that are preserved in dry ice.

6.   Chiron also makes vaccines and test kits used by blood banks to detect viruses in donated blood.

7.   Diacrin said it had not detected such viruses in any patient.

8.   Frogel said in an interview that many doctors themselves needed to be trained in RSV, management and in detecting the virus.

9.   He said the system might also be used to detect viruses, or to determine if someone was trying to break into restricted files.

10.   IBM wants to replace the human factor with software that can accumulate knowledge in a learning stage and then apply its expertise to detect viruses.