hypervirulent


Also found in: Dictionary.

hypervirulent

(hī″pĕr-vir′(y)ŭ-lĕnt) [ hyper- + virulent]
Exceptionally capable of producing severe illness; said of certain strains of bacteria, fungi, and viruses.
References in periodicals archive ?
In addition, 37 US states and Washington, DC, have reported outbreaks of a novel, hypervirulent strain of C.
The rising incidence of CDI has been attributed to the frequent prescription of broad-spectrum antibiotics and the rapid spread of a hypervirulent strain of the C.
Principal Investigator and Group Leader at Optimer, described the NIH grant which supports Optimer's research and development efforts by saying, "This Phase II NIH award will allow the examination of the gut flora as a supplementary study to the ongoing OPT-80 trials to confirm narrow spectrum activity and potency of OPT-80 against hypervirulent epidemic strains.
By using whole-genome sequencing and animal models of invasive disease, we recently discovered that virtually all type emm59 GAS invasive cases in Canada were caused by a single, recently emerged, hypervirulent emm59 clone (8).
This hypervirulent strain exhibits increased resistance to fluroquinolones and cephalosporins, and carries an extra toxin, called binary toxin, in addition to toxins A and B.
The changing pattern of disease is in part being caused by the emergence of a new epidemic hypervirulent C.
The emergence and spread of the hypervirulent North America Phenotype 1/027 (NAP1/027) strain of CDAD in the United States, Canada and in some European countries call for improved rapid diagnosis, including the determination of C.
It is commonly believed that the 1918 pandemic resulted from the sudden emergence and worldwide spread of an inherently hypervirulent influenza strain.
Affymetrix Microarray Bulletin (AMB) today published interviews with researchers from the Scripps Research Institute and Imperial College London who are using microarrays to understand the pathogenesis of Malaria-causing Plasmodium falciparum and the hypervirulent Beijing/W Tuberculosis strain.
A similar proportion (23%) was reported among invasive MenB isolates in England and Wales (12), but may be present in up to 100% of certain hypervirulent lineages (32,33).
These data showed NTCD to be protective against the currently circulating hypervirulent "BI" strain of C.
In recent years, outbreaks of a hypervirulent clostridial strain with an elevated mortality rate have been reported worldwide.