Advertisement
Advertisement
seronegative
[ seer-oh-neg-uh-tiv ]
adjective
- showing no significant level of serum antibodies, or other immunologic marker in the serum, that would indicate previous exposure to the infectious agent being tested.
seronegative
/ ˌsɪərəʊˈnɛɡətɪv /
adjective
- (of a person whose blood has been tested for a specific disease, such as AIDS) showing no serological reaction indicating the presence of the disease
Word History and Origins
Origin of seronegative1
Example Sentences
In 2014, the rheumatologist diagnosed possible seronegative rheumatoid arthritis, an uncommon form of the disease.
They found evidence to support this theory: a far higher proportion of the seronegative participants had T cells that recognize this complex than did health-care workers who got COVID-19.
The researchers noticed that in 20 of these ‘seronegative’ participants, T cells had multiplied—a sign that the immune system might be gearing up to fight an infection.
Of those eligible patients, antibody testing will initially be used to determine whether they are seronegative - meaning those who do not have an adequate existing antibody response - and will therefore be eligible for treatment.
About one third of the patients were seronegative when they entered the trial, meaning they did not produce antibodies themselves.
Advertisement
Advertisement
Advertisement
Advertisement
Browse