Crimean-Congo hemorrhagic fever (CCHF) is the most medically important tick-borne viral disease of humans and tuberculosis is the leading cause of death worldwide by a bacterial pathogen. These two diseases overlap geographically, however, concurrent infection of CCHF virus (CCHFV) with mycobacterial infection has not been assessed nor has the ability of virus to persist and cause long-term sequela in a primate model. In this study, we compared the disease progression of two diverse strains of CCHFV in the recently described cynomolgus macaque model.
View Article and Find Full Text PDFCrimean-Congo hemorrhagic fever virus (CCHFV) is an important human pathogen. Limited evidence suggests that antibodies can protect humans against lethal CCHFV disease but the protective efficacy of antibodies has never been evaluated in adult animal models. Here, we used adult mice to investigate the protection provided against CCHFV infection by glycoprotein-targeting neutralizing and non-neutralizing monoclonal antibodies (mAbs).
View Article and Find Full Text PDFThere is a pressing need for sustainable and sensitive immunodiagnostics for use in public health efforts to understand and combat the threat of endemic and emerging infectious diseases. In this proof-of-concept work, we describe an immunodiagnostic approach based on the utilization of virus-like particles (VLPs) in a magnetic bead-based platform for multiplexed detection of antiviral humoral response. A retroviral-based VLP, that presents Venezuelan equine encephalitis virus E1/E2 glycoprotein antigen on its surface, was synthesized and coupled to magnetic beads to create VLP-conjugated microspheres (VCMs).
View Article and Find Full Text PDFIntroduction: The favorable season for Aedes albopictus circulation has started in Europe and may lead to autochthonous transmission of Zika virus. Health care providers should be familiar with evocative clinical presentations and able to give updated information to women of reproductive age infected by Zika virus.
Observations: We report five laboratory-confirmed Zika virus infections imported to metropolitan France from Central and South America between January and April, 2016.
Background: During Dec-2013, a chikungunya virus (CHIKV) outbreak was first detected in the French-West Indies. Subsequently, the virus dispersed to other Caribbean islands, continental America and many islands in the Pacific Ocean. Previous estimates of the attack rate were based on declaration of clinically suspected cases.
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