Disclosed herein is a method of making an amino acid construct for the treatment and/or prevention of sarbecovirus infections, comprising: a. comparing amino acid sequences from at least two different sarbecovirus spike proteins or fragments thereof; b. identifying identical amino acids in the sequences from the at least two different sarbecovirus spike proteins or fragments thereof; c. removing any different amino acids from the sequences of the at least two different sarbecovirus spike proteins or fragments thereof to identify a unique amino acid sequence; and d. forming the amino acid construct of the unique amino acid sequence wherein the amino acid construct has at least 90% sequence identity to the at least two different sarbecovirus spike proteins or fragments thereof. Also disclosed are amino acid sequences generated using the method of the invention.

Disclosed herein is a strategy for the engineering of recombinant vaccines against major human and animal pathogens of the paramyxovirus family. Also disclosed are recombinant virus able to replicate without being pathogenic. Also disclosed is a method of immunizing a subject against infection with a that involves administering to the subject a recombinant vaccine disclosed herein.

The invention features pseudotyped viral particles (e.g., lentiviral or gammaretroviral particles) and compositions and methods of use thereof, where the viral particles comprise a VHH domain.

The invention features pseudotyped viral particles (e.g., lentiviral or gammaretroviral particles) and compositions and methods of use thereof, where the viral particles comprise a VHH domain.

The present invention provides vectors that contain and express in vivo or in vitro CDV polypeptides or antigens that elicit an immune response in animal against CDV, compositions comprising said vectors and/or CDV polypeptides, and methods of vaccination against CDV. The invention further provides methods for inducing an immunogenic or protective response against CDV and other canine virus, as well as methods for preventing or treating CDV and other canine virus or disease state(s) caused by CDV and other canine virus.

This document provides methods and materials related to vesicular stomatitis viruses. For example, replication-competent vesicular stomatitis viruses, nucleic acid molecules encoding replication-competent vesicular stomatitis viruses, methods for making replication-competent vesicular stomatitis viruses, and methods for using replication-competent vesicular stomatitis viruses to treat cancer or infectious diseases are provided.

The invention relates to the pseudotyping of retroviral vectors with heterologous envelope proteins derived from the Paramyxoviridae family, genus Morbillivirus, and various uses of the resulting vector particles. The present invention is based on the unexpected and surprising finding that the incorporation of morbillivirus F and H proteins having truncated cytoplasmic tails into lentiviral vector particles, and the complex interaction of these two proteins during cellular fusion, allows for a superior and more effective transduction of cells. Moreover, these pseudotyped vector particles allow the targeted gene transfer into a given cell type of interest by modifying a mutated and truncated H protein with a single-chain antibody or ligand directed against a cell surface marker of the target cell.

The invention relates to a recombinant measles virus expressing a heterologous amino acid sequence derived from an antigen of a determined RNA virus, said recombinant measles virus being capable of eliciting a humoral and/or cellular immune response against measles virus or against said RNA virus or against both measles virus and against said RNA virus. It also relates to the use of said recombinant measles virus for the preparation of immunogenic composition.

Disclosed herein are recombinant fusion proteins comprising transmembrane domains, a display polypeptides, and oligomerization domains wherein when the recombinant fusion protein is expressed on the surface of an enveloped particle, the recombinant fusion protein is displayed in an oligomeric format, and enveloped particles containing the same, and methods of usc.

Methods, pharmaceutical compositions and vaccines comprising an attenuated bacteria that expresses a recall antigen are disclosed for treatment of cancer.