virulent


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Related to virulent: virulent phage

vir·u·lent

(vir'yū-lĕnt),
Extremely toxic, denoting a markedly pathogenic microorganism.
[L. virulentus, poisonous]

virulent

(vîr′yə-lənt, vîr′ə-)
adj.
1.
a. Characterized by, causing, or promoting the rapid onset of severe illness. Used of a disease or toxin.
b. Capable of causing disease by aggressively interfering with the immune system of the host. Used of a pathogen.
2. Extremely hostile or malicious: virulent criticism; a virulent bigot.

vir′u·lence, vir′u·len·cy n.
vir′u·lent·ly adv.

virulent

[vir′yələnt]
Etymology: L, virulentus
pertaining to a very pathogenic or rapidly progressive condition.

vir·u·lent

(vir'yū-lĕnt)
Extremely toxic, denoting a markedly pathogenic microorganism.
[L. virulentus, poisonous]

virulent

descriptive of a markedly pathogenic microorganism
References in periodicals archive ?
Under experimental conditions, close to 100 percent of healthy chickens vaccinated with available commercial NDV vaccines can survive an infection with virulent NDV.
The new disease, downy mildew of aquilegias, is very virulent and with no chemical control it is killing plants.
The lab, based in Wuhan, capital city of central Hubei Province, will be used to study class four pathogens (P4), which refers to the most virulent viruses that pose a high risk of aerosoltransmitted persontoperson infections, Xinhua reported.
So a highly virulent disease runs the risk of killing or debilitating its hosts before they get a chance to pass the bug along.
As they explained that the strain is a previously unseen variant of the bacterium and one that is more virulent than before, US scientists, in opposition to Europeans, are now warning that the new strain appears to be resistant to common antibiotics.
The question is whether it's still virulent enough to cause serious listeriosis infections, as its uninjured counterparts can.
A virulent strain of Clostridium difficile (C diff) has been detected in Australia for the first time.
The hyper virulent strain of Clostridium difficile has been identified in Australia, after Epworth Healthcare in Richmond, Victoria, reported it had managed three patients diagnosed with the strain since February this year.
Fast-tracking of the vaccine before the bug becomes more virulent should see everyone protected by next year.
Experts are already drawing up a priority list of patients to be given immunity before the bug becomes more virulent.
The disease is virulent systemic feline calicivirus (VS-FCV), a highly contagious and potentially fatal mutation of traditional calicivirus.
Extensive molecular research showed that this isolate belonged to the highly virulent AFLP genotype 6A (VGIIa) of Cryptococcus gattii, which is the major genotype involved in the Vancouver Island C.