0 a measurement of the amount of a virus that is present in a person, an organism, or a particular environment:
Covid-19 hits the old hardest, but young people are dying too. Scientists say it may be down to genes or "viral load".
One of the drugs in Trizivir is a protease inhibitor, which lowers the viral load, or amount of virus, in the blood.
A viral load test measures the amount of HIV in a person's blood.
Her viral load - the most accurate measure of the disease's progress - reached levels that signalled imminent death.
