The present disclosure relates to polypeptides that specifically bind to Dengue virus non¬structural protein 1, including antibodies and fragments thereof. The antibody or antigen-binding fragment thereof may specifically bind Dengue virus (DENV) serotype 4 and include: a heavy chain variable region that comprises at least one CDR amino acid sequence selected from the group consisting of: SGYNWH, YIH YS GGTN YNPS LKS, RTGTVPFAY, SYVMH, YLNPYNDDTKYNEKFKG, and GPPYALDY. The present disclosure further relates to methods of producing the polypeptides of the present disclosure, methods of diagnosing DENV, and methods of treating a DENV infection.

The present invention relates to compositions and methods involving diagnostic tests with multiple test antigens. The present invention involves the expanded use of test antigens as cross-reactive control antigens (CCAs). The invention advantageously provides for enhanced test results analysis by simultaneously providing both test antigen and CCA signal results. These results, in turn, allow useful sample comparison and cross-reference between samples to more accurately identify and verify the fidelity of test results obtained for multiple infective agents at once. The present invention may include compositions and methods for detecting infection by Zika virus or another flavivirus, and may distinguish between infections caused by genetically similar agents.

The present invention provides nucleic acid products and corresponding methods for identifying the presence or absence of Zika virus in a sample.

The present invention relates to a novel porcine pestivirus, to proteins of the virus and to vaccines based upon the virus and proteins thereof. The invention also relates to DNA fragments comprising a gene of the virus and to DNA vaccines based upon genes of the virus. Furthermore the invention relates to antibodies that are reactive with the novel virus and to diagnostic tests for the detection of the virus or antibodies against the virus.

A method for making and a resultant paper test strip product for detecting Zika antibodies indicating the presence of Zika virus in a patient sample. The paper test strip includes a strip of filter paper; and a silk fibroin solution applied to the strip of filter paper wherein the silk fibroin solution is mixed with an enzyme solution in phosphate buffered saline buffer.

Provided herein are compositions, methods, and kits for detecting human Pegivirus 2 (HPgV-2). In certain embodiments, provided herein are HPgV-2 specific nucleic acid probes and primers, and methods for detecting HPgV-2 nucleic acid. In other embodiments, provided herein are HPgV-2 immunogenic composition compositions, methods of treating a subject with immunogenic HPgV-2 peptides, and methods of detecting HPgV-2 subject antibodies in a sample.

The disclosed embodiments concern non-invasive methods, and apparatus, and systems for identifying infections. The methods are predicated on identifying discriminating peptides present on a peptide array, which are differentially bound by the different mixtures of antibodies present in samples from subjects consequent to an infection relative to binding of mixtures of antibodies present in reference subjects.

The invention relates to antibodies, and antigen binding fragments thereof, that potently neutralize infection of ZIKV. The invention also relates to antigenic sites to which the antibodies and antigen binding fragments bind, as well as to nucleic acids that encode and immortalized B cells that produce such antibodies and antibody fragments. In addition, the invention relates to the use of the antibodies and antibody fragments of the invention in screening methods as well as in the diagnosis, prophylaxis and treatment of ZIKV infection.

The present invention relates to compositions and methods involving diagnostic tests with multiple test antigens. The present invention involves the expanded use of test antigens as cross-reactive control antigens (CCAs). The invention advantageously provides for enhanced test results analysis by simultaneously providing both test antigen and CCA signal results. These results, in turn, allow useful sample comparison and cross-reference between samples to more accurately identify and verify the fidelity of test results obtained for multiple infective agents at once. The present invention may include compositions and methods for detecting infection by Zika virus or another flavivirus, and may distinguish between infections caused by genetically similar agents.

Provided herein are compositions, methods, and kits for detecting human Pegivirus 2 (HPgV-2). In certain embodiments, provided herein are HPgV-2 specific nucleic acid probes and primers, and methods for detecting HPgV-2 nucleic acid. In other embodiments, provided herein are HPgV-2 immunogenic composition compositions, methods of treating a subject with immunogenic HPgV-2 peptides, and methods of detecting HPgV-2 subject antibodies in a sample.