Abstract: Metapneumovirus (MPV) F proteins stabilized in a prefusion conformation, nucleic acid molecules and vectors encoding these proteins, and methods of their use and production are disclosed. In several embodiments, the MPV F proteins and/or nucleic acid molecules can be used to generate an immune response to MPV in a subject. In additional embodiments, the therapeutically effective amount of the MPV F ectodomain trimers and/or nucleic acid molecules can be administered to a subject in a method of treating or preventing MPV infection.

Abstract: The disclosure relates to pan human coronavirus ribonucleic acid (RNA) vaccines as well as methods of using the vaccines and compositions comprising the vaccines.

Abstract: HIV-1 Env ectodomain trimers stabilized in a prefusion mature closed conformation and methods of their use and production are disclosed. In several embodiments, the HIV-1 Env ectodomain trimers and/or nucleic acid molecules can be used to generate an immune response to HIV-1 in a subject. In additional embodiments, the therapeutically effective amount of the HIV-1 Env ectodomain trimers can be administered to a subject in a method of treating or preventing HIV-1 infection.

Abstract: The disclosure relates to pan human coronavirus ribonucleic acid (RNA) vaccines as well as methods of using the vaccines and compositions comprising the vaccines.

Abstract: The disclosure describes coronavirus ribonucleic acid (RNA) vaccines as well as methods of using the vaccines and compositions comprising the vaccines. The RNA vaccines encode domains and subunits of coronavirus.

Abstract: The disclosure provides SARS-CoV-2 mRNA vaccines, comprising a double proline mutation at positions K986 and V987, and an additional substitution D428N that introduces an N-glycosylation site, as well as methods of using the vaccines and compositions comprising the vaccines.

Abstract: The disclosure provides mRNA vaccines which encode for coronavirus spike proteins exhibiting increased flexibility in the crown of the helix turn region. This increased flexibility is achieved by at least two glycine mutations within the crown of the helix turn region, located between the HR1 and CH regions.

Abstract: The disclosure provides combination miRNA vaccines for respiratory viruses, such as influenza and coronaviruses (e.g., SARS-CoV-2) as well as methods of using the vaccines.

Abstract: The disclosure provides combination mRNA vaccines for respiratory viruses, as well as methods of using the vaccines.

Abstract: Embodiments of a recombinant Respiratory Syncytial Virus (RSV) F ectodomain trimer stabilized in a prefusion conformation are provided. Also disclosed are nucleic acids encoding the RSV F ectodomain trimer and methods of producing the RSV F ectodomain trimer. Methods for inducing an immune response in a subject are also disclosed. In some embodiments, the method can be a method for treating or preventing a RSV infection in a subject by administering a therapeutically effective amount of the recombinant RSV F ectodomain trimer to the subject.

Abstract: The disclosure relates to Epstein-Barr virus ribonucleic acid vaccines as well as methods of using the vaccines and compositions comprising the vaccines.

Abstract: Embodiments of immunogens comprising a multimer of NiV G ectodomains and protein nanoparticles comprising an NiV G ectodomain are provided. Also disclosed are nucleic acids encoding the immunogens and methods of their production. Methods for inducing an immune response in a subject by administering a disclosed immunogen to the subject are also provided. In some embodiments, the immune response treats or inhibits NiV infection in a subject.

Abstract: Disclosed are Respiratory Syncytial Virus (RSV) antigens including a recombinant RSV F protein stabilized in a prefusion conformation. Also disclosed are nucleic acids encoding the antigens and methods of producing the antigens. Methods for generating an immune response in a subject are also disclosed. In some embodiments, the method is a method for treating or preventing a RSV infection in a subject by administering a therapeutically effective amount of the antigen to the subject.

Abstract: The disclosure provides coronavirus mRNA vaccines, including vaccines directed against spike proteins of one or more variant strains of SARS-CoV-2, as well as methods of using the vaccines.

Abstract: Embodiments of a recombinant human Parainfluenza Virus (hPIV) F ectodomain trimer stabilized in a prefusion conformation are provided. Also disclosed are nucleic acids encoding the hPIV F ectodomain trimer and methods of producing the hPIV F ectodomain trimer. Methods for inducing an immune response in a subject are also disclosed. In some embodiments, the method can be a method for treating or inhibiting a hPIV infection in a subject by administering a effective amount of the recombinant hPIV F ectodomain trimer to the subject.

Abstract: The disclosure provides coronavirus mRNA vaccines, including vaccines directed against one or more variant strains of SARS-CoV-2, as well as methods of using the vaccines.

Abstract: Embodiments of immunogens comprising a recombinant Nipah virus (NiV) F ectodomain trimer stabilized in a prefusion conformation are provided. Also provided are embodiments of immunogens comprising chimeric proteins comprising the recombinant NiV F ectodomain trimer and one or more G ectodomains, a multimer of NiV G ectodomains, and protein nanoparticles comprising the recombinant NiV F ectodomain trimer or an NiV G ectodomain. Also disclosed are nucleic acids encoding the immunogens and methods of their production. Methods for inducing an immune response in a subject by administering a disclosed immunogen to the subject are also provided. In some embodiments, the immune response treats or inhibits NiV infection in a subject.

Abstract: Metapneumovirus (MPV) F proteins stabilized in a prefusion conformation, nucleic acid molecules and vectors encoding these proteins, and methods of their use and production are disclosed. In several embodiments, the MPV F proteins and/or nucleic acid molecules can be used to generate an immune response to MPV in a subject. In additional embodiments, the therapeutically effective amount of the MPV F ectodomain trimers and/or nucleic acid molecules can be administered to a subject in a method of treating or preventing MPV infection.

Abstract: Embodiments of a recombinant Respiratory Syncytial Virus (RSV) F ectodomain trimer stabilized in a prefusion conformation are provided. Also disclosed are nucleic acids encoding the RSV F ectodomain trimer and methods of producing the RSV F ectodomain trimer. Methods for inducing an immune response in a subject are also disclosed. In some embodiments, the method can be a method for treating or preventing a RSV infection in a subject by administering a therapeutically effective amount of the recombinant RSV F ectodomain trimer to the subject.

Abstract: Disclosed are Respiratory Syncytial Virus (RSV) antigens including a recombinant RSV F protein stabilized in a prefusion conformation. Also disclosed are nucleic acids encoding the antigens and methods of producing the antigens. Methods for generating an immune response in a subject are also disclosed. In some embodiments, the method is a method for treating or preventing a RSV infection in a subject by administering a therapeutically effective amount of the antigen to the subject.