Abstract: The present invention relates to particles, particularly virus-like particles (VLPs), comprising fusion polypeptides comprising selected repeat units derived from the repeating regions of Type I and Type II circumsporozoite proteins (CSP) of Plasmodium vivax (Pv), together with an amino acid sequence derived from the C-terminal PvCSP sequence. In some embodiments, the fusion polypeptide additionally comprises an amino acid sequence derived from the N-terminal PvCSP sequence and/or a surface antigen polypeptide derived from Hepatitis B virus (HBV-S). The invention also relates to nucleotide sequences coding for such fusion polypeptides, vectors and plasmids comprising such nucleotide sequences, and host cells comprising such vectors and plasmids. The invention additionally relates to compositions, particularly vaccine compositions, comprising the fusion polypeptides or VLPs for use as vaccines for the prevention of malaria.

Abstract: The invention relates to parasites, and to methods for purifying a metabolically active obligate parasite of vertebrates and arthropods. The invention is especially concerned with methods of purifying Plasmodium and Theileria parasites, such as P. falciparum and T. parva, and highly motile parasite forms thereof, called sporozoites. The invention also relates to obligate parasites of vertebrates and arthropods purified by the methods of the invention and their use thereof.

Abstract: The present invention relates to particles, particularly virus-like particles (VLPs), comprising fusion polypeptides comprising selected repeat units derived from the repeating regions of Type I and Type II circumsporozoite proteins (CSP) of Plasmodium vivax (Pv), together with an amino acid sequence derived from the C-terminal PvCSP sequence. In some embodiments, the fusion polypeptide additionally comprises an amino acid sequence derived from the N-terminal PvCSP sequence and/or a surface antigen polypeptide derived from Hepatitis B virus (HBV-S). The invention also relates to nucleotide sequences coding for such fusion polypeptides, vectors and plasmids comprising such nucleotide sequences, and host cells comprising such vectors and plasmids. The invention additionally relates to compositions, particularly vaccine compositions, comprising the fusion polypeptides or VLPs for use as vaccines for the prevention of malaria.

Abstract: The invention relates to a nucleic acid encoding a polypeptide comprising a plurality of conserved peptide sequences, or variants thereof, wherein the conserved sequences are conserved across one or more HPV genotypes 16, 18, 31, 52, 53, and 58; and wherein the polypeptide comprises a conserved peptide sequence of each of the HPV proteins E1, E2, E4, E5, E6, and E7; and associated vaccines, viral vectors, treatment and prophylaxis.

Abstract: The present invention relates to particles, particularly virus-like particles (VLPs), comprising fusion polypeptides comprising selected repeat units derived from the repeating regions of Type I and Type II circumsporozoite proteins (CSP) of Plasmodium vivax (Pv), together with an amino acid sequence derived from the C-terminal PvCSP sequence. In some embodiments, the fusion polypeptide additionally comprises an amino acid sequence derived from the N-terminal PvCSP sequence and/or a surface antigen polypeptide derived from Hepatitis B virus (HBV-S). The invention also relates to nucleotide sequences coding for such fusion polypeptides, vectors and plasmids comprising such nucleotide sequences, and host cells comprising such vectors and plasmids. The invention additionally relates to compositions, particularly vaccine compositions, comprising the fusion polypeptides or VLPs for use as vaccines for the prevention of malaria.

Abstract: The invention relates to a nucleic acid encoding a polypeptide comprising a plurality of conserved peptide sequences, or variants thereof, wherein the conserved sequences are conserved across one or more HPV genotypes 16, 18, 31, 52, 53, and 58; and wherein the polypeptide comprises a conserved peptide sequence of each of the HPV proteins E1, E2, E4, E5, E6, and E7; and associated vaccines, viral vectors, treatment and prophylaxis.

Abstract: The invention relates to a nucleic acid encoding a polypeptide comprising a plurality of conserved peptide sequences, or variants thereof, wherein the conserved sequences are conserved across one or more HPV genotypes 16, 18, 31, 52, 53, and 58; and wherein the polypeptide comprises a conserved peptide sequence of each of the HPV proteins E1, E2, E4, E5, E6, and E7; and associated vaccines, viral vectors, treatment and prophylaxis.

Abstract: The invention relates to a protein comprising a plurality of conserved peptide sequences, or variants thereof, wherein at least one of the conserved sequences is conserved across all four dengue virus serotypes DENV-1, DENV-2, DENV-3 and DENV-4, and wherein the conserved sequences comprise at least part of a sequence of one or more non-structural proteins of the dengue virus serotypes. The invention further relates to associated peptides, compositions, nucleic acids, viral vectors, virus-like particles, use, prime boost vaccination kits, agents and methods.

Abstract: The present invention relates to particles, particularly virus-like particles (VLPs), comprising fusion polypeptides comprising selected repeat units derived from the repeating regions of Type I and Type II circumsporozoite proteins (CSP) of Plasmodium vivax (Pv), together with an amino acid sequence derived from the C-terminal PvCSP sequence. In some embodiments, the fusion polypeptide additionally comprises an amino acid sequence derived from the N-terminal PvCSP sequence and/or a surface antigen polypeptide derived from Hepatitis B virus (HBV-S). The invention also relates to nucleotide sequences coding for such fusion polypeptides, vectors and plasmids comprising such nucleotide sequences, and host cells comprising such vectors and plasmids. The invention additionally relates to compositions, particularly vaccine compositions, comprising the fusion polypeptides or VLPs for use as vaccines for the prevention of malaria.

Abstract: The invention relates to a Zika viral vector vaccine comprising nucleic acid encoding a Zika virus structural antigen, wherein the nucleic acid encoding a Zika virus structural antigen comprises a sequence encoding Zika virus envelope DIII, or part thereof. The invention further relates to a Zika viral vector vaccine in combination with a Chikungunya viral vector vaccine.

Abstract: The invention relates to a protein comprising a plurality of conserved peptide sequences, or variants thereof, wherein at least one of the conserved sequences is conserved across all four dengue virus serotypes DENV-1, DENV-2, DENV-3 and DENV-4, and wherein the conserved sequences comprise at least part of a sequence of one or more non-structural proteins of the dengue virus serotypes. The invention further relates to associated peptides, compositions, nucleic acids, viral vectors, virus-like particles, use, prime boost vaccination kits, agents and methods.

Abstract: The invention relates to an immunogenic composition comprising an adenoviral vector and a pox viral vector, or two different adenoviral vectors, wherein one or more of the vectors encodes one or more target antigens; and related methods, uses and kits.

Abstract: There is provided a composition comprising: (a) a modified vaccinia virus ankara (MVA) vector, wherein said MVA vector comprises a nucleic acid sequence encoding an antigen; and (b) an adjuvant comprising a saponin, or an emulsion. There is also provided a composition comprising: (a) an adenovirus vector, wherein said adenovirus vector comprises a nucleic acid sequence encoding an antigen, and wherein the adenovirus is selected from: a group B adenovirus, a group C adenovirus, and a group E adenovirus; and (b) an adjuvant comprising a saponin, or an emulsion; wherein the group B adenovirus is not an adenovirus 35, the group C adenovirus is not Ad5 having an intact E3 gene region, and the group E adenovirus is not an adenovirus C7. Also provided are corresponding uses of the compositions in medicine.

Abstract: The invention relates to an immunogenic composition comprising an adenoviral vector and a pox viral vector, or two different adenoviral vectors, wherein one or more of the vectors encodes one or more target antigens; and related methods, uses and kits.