Provided is an African swine fever virus chimeric protein. The chimeric protein comprises: (1) an African swine fever virus p72 domain I; (2) an African swine fever virus p72 domain II; (3) an African swine fever virus p72 domain III; and (4) an African swine fever virus antigenic protein. By using African swine fever virus p72 protein as a skeleton, the chimeric protein provided in the present invention will exhibit antigenic epitopes of African swine fever virus antigenic proteins p54, p30, CD2v, and p12, achieve a good immune effect, and can produce significant humoral and cell-mediated immune response.

The disclosure relates to broad spectrum influenza virus ribonucleic acid (RNA) vaccines, as well as methods of using the vaccines and compositions comprising the vaccine. In a preferred embodiment, the vaccine is formulated as a lipid nanoparticle comprising at least one cationic lipid.

Disclosed are vaccines capable of achieving protection against RSV while avoiding vaccine-enhanced disease (VED). In particular, vaccine constructs have been molecularly designed and genetically engineered to comprise RSV fusion (F) protein displayed on the surface of a particle, such as a virus-like particles (VLP) and low temperature-prepared split RSV. In some embodiments, the RSV F protein is in a pre-fusion F conformation. Also disclosed a variants and combinations of split RSV and RSV F DNA vaccine with pre-fusion F and enhanced efficacy. In addition, disclosed split RSV vaccines containing pre-fusion F conformation and combination adjuvants MPL and CpG.

A menu of mutations was developed that is useful in fine-tuning the attenuation and growth characteristics of dengue virus vaccines.

A mucosal adjuvant may have high mucosal immunogenicity and high safety and be useful in the preparation of mucosal vaccines, and a mucosal vaccine composition may include the same. Such mucosal adjuvant may include TGDK. A method for preparing the mucosal vaccine composition may include mixing TGDK with an immunogen.

The present invention relates to monovalent influenza vaccine formulations and vaccination regimes for immunising against influenza disease, their use in medicine, in particular their use in augmenting immune responses to various antigens, and to methods of preparation. In particular, the invention relates to monovalent influenza immunogenic compositions comprising an influenza antigen or antigenic preparation thereof from an influenza virus strain being associated with a pandemic outbreak or having the potential to be associated with a pandemic outbreak, in combination with an oil-in-water emulsion adjuvant comprising a metabolisable oil, a sterol and/or a tocopherol such as alpha tocopherol, and an emulsifying agent.

An active or inactivated recombinant vaccine against COVID-19 is described that comprises a Newcastle disease viral vector and a pharmaceutically acceptable carrier, adjuvant and/or excipient, characterized in that the viral vector is a virus capable of generating a cellular immune response that has a SARS-CoV-2 exogenous nucleotide sequence inserted,

Vaccine based on ethanol inactivated pathogens, or part thereof, are described herein. Also disclosed are certain vaccines for treating COVID-19 or other coronavirus related diseases is created by deactivating the genome, genetic material or RNA encapsulated within the shell of virus without eliminating the spikes or spike protein, which both attaches the virus to a host cell and is detected by the body to produce antibodies. Treatment of an active coronavirus with a material such as an effective amount of ethanol will both penetrate the shell and deactivate the genetic material which causes the disease, for preparation of a vaccine.

Described herein are Zika virus vaccines and compositions and methods of producing and administering said vaccines to subjects in need thereof.

Provided herein are anti-neuraminidase agents useful for neutralization of influenza virus infection, and methods of use and manufacture thereof. In particular, compositions comprising anti-neuraminidase agents (e.g., antibodies) that are cross-reactive with multiple influenza strains are provided, as well as methods of treatment and prevention of influenza infection therewith.