It took nearly 50 years to find a trace of the virus in preserved tissue, and nearly 10 years for Taubenberger to sequence its code, finishing the last of three genes driving the virus's replication machinery early last year.
Ten years ago he was dying of AIDS; now he is living with it — or, more accurately, living almost without it, his immune system normal, no trace of virus detectable in his blood.
A type of test that can detect traces of virus has spotted Zika particles in semen out to 62 days after infection.
The vaccine worked so well that the researchers failed to find even traces of virus in the feces of half the minks immunized.
An integral part of any viral disease control strategy is the epidemiological tracing of virus transmission together with conventional field investigations.
But it was frightening to the marrow of your bones, and the fear sat with you, every moment of every day, an enemy that you cannot see, where a single microscopic trace of the virus can fall a healthy person in an excruciating death in a week.
"Well, it seems you didn't suffer blunt trauma, there's no trace of a virus or a budding tumor.
Trace quantities of virus could be added to tissue homogenates and recovered in a high state of purity.
The company got its start after Chatterjee decided to start mining bone marrow samples for traces of viruses, called AAVs, that are used in conventional gene therapy.
For two years, the girl's blood showed no trace of the virus, and researchers speculated that very early HAART might prevent the virus from forming a dormant reservoir.
A person infected with HIV who was treated for blood cancer with a stem-cell transplant has gone into viral remission, with no trace of the virus in their blood.
