The present invention is intended to provide an adjuvant having high safety to living bodies and an action to sufficiently reinforce immune function, and a vaccine comprising the adjuvant. Specifically, the present invention relates to 34 novel adjuvant candidate compounds, which have been identified by screening 145 food additives and 51 injection additives, using, as indicators, an increase in the antibody titer against influenza virus and a protective effect against infection with influenza virus, and then selecting those having the function of increasing the antiviral antibody titer in blood and the protective effect against viral infection. In addition, the present invention also relates to a vaccine comprising these adjuvant candidate compounds.

The present invention describes a recombinant herpesvirus of turkeys (rHVT) that can be used as a vector vaccine for poultry against infection and disease from multiple poultry pathogens. Specifically the rHVT expresses an infectious bursal disease virus (IBDV) viral protein 2 (VP2) gene and a Newcastle disease virus (NDV) fusion (F) protein gene from a first and a second expression cassette inserted in the unique small (Us) region, and expresses an avian influenza vims (AIV) haemagglutinin (HA) gene from a third expression cassette inserted in the unique long (UL) region of the genome of said rHVT either between the UL40 and UL41 genes, or between the UL44 and UL45 genes. This rHVT can be used to vaccinate poultry against MDV, IBDV, NDV and AIV.

The invention provides a novel fusion protein between flagellin (or portions thereof) and a polypeptide that can form a virus-like particle (VLP) (e.g., hepatitis b core (HBc) protein or portions thereof), where the fusion protein continues to form a VLP in an aqueous environment. The VLPs based on such fusion proteins (e.g., FH VLPs) provide a versatile, highly immunogenic, and safe vaccine carrier capable of displaying or associating a variety of vaccine antigens on VLP surface to elicit potent humoral and cellular immune responses.

The present invention relates to a pharmaceutical composition comprising a modified mRNA that is stabilised by sequence modifications and optimised for translation. The pharmaceutical composition according to the invention is particularly well suited for use as an inoculating agent, as well as a therapeutic agent for tissue regeneration. In addition, a process is described for determining sequence modifications that promote stabilisation and translational efficiency of modified mRNA of the invention.

The present invention provides a recombinant bacterium and methods of using the recombinant bacterium to induce an immune response.

The invention provides a composition useful to prepare high titer influenza B viruses, e.g., in the absence of helper virus, which includes internal genes from an influenza B virus vaccine strain or isolate, e.g., one that is safe in humans, for instance, one that does not result in significant disease, that confer enhanced growth in cells in culture, such as MDCK cells, or in eggs.

According to aspects illustrated herein, there is provided an agent that transiently disrupts claudin-1 within tight junctions. The agent includes a peptide having at least 40% polar, uncharged amino acid residues and a self-assembled β-sheet secondary structure. According to aspects illustrated herein, there is also provided a transepithelial drug and vaccine formulations, as well as isolated peptides, pharmaceutical compositions, and transdermal delivery devices. Also described herein are methods of disrupting epithelial barrier and methods of administering the transepithelial formulations described herein.

Therapeutic or prophylactic compositions providing an active agent, such as an antigen or a vector that contains and expresses an antigen, encapsulated in or incorporated into a biodegradable polymeric particle are provided. The compositions can also provide an active agent that is not encapsulated in or incorporated into the biodegradable polymeric particle in order to provide an initial or prime delivery of the active agent. Particles or composites providing an active agent encapsulated by a first and second polymer are also provided, wherein polymers are distributed in a gradient from a core of the composite to a surface of the composite, and configured to provide a delayed release of the active agent by a period of 7 days to 6 months. Methods of producing composites are also provided. Pharmaceutical formulations providing a single dose composition are also provided, along with methods for administering the pharmaceutical compositions to a subject in need thereof a therapeutically effective amount of an active agent are provided.

The present disclosure provides nanostructures (e.g., monolayer or bilayer nanostructures) comprising porphyrins with cobalt chelated thereto such that the cobalt metal resides within monolayer or bilayer in the porphyrin macrocycle. The nanostructures can have presentation molecules comprising epitopes from microorganisms with a histidine tag attached thereto, such that at least a part of the his-tag is within the monolayer or bilayer and coordinated to the cobalt metal core and the presentation molecules are exposed to the outside of the nanostructures. The nanostructures can further comprise a cargo. The nanostructures can be used to deliver the cargo to an individual.

The invention relates to fusion proteins, and to the use of fusion proteins (or genetic constructs or vectors encoding such fusion proteins) to vaccinate against viral infections. The invention extends to pharmaceutical compositions comprising such fusion proteins or constructs for preventing and treating viral infections, and to methods and uses thereof.