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1. WO2007010399 - PURIFIED TRIMERIC S PROTEIN AS VACCINE AGAINST SEVERE ACUTE RESPIRATORY SYNDROME VIRUS INFECTIONS

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WHAT IS CLAIMED IS:
1. An immunogenic composition comprising at least one recombinant SARS CoV Spike protein having all of the epitopes of native Spike protein and free of other native SARS CoV components in an amount sufficient to induce an immunogenic or protecting response in vivo, and a pharmaceutically acceptable carrier therefor.
2. The immunogenic composition of claim 1 , wherein said composition comprises a neutralizing amount of at least one SARS CoV Spike protein.
3. The immunogenic composition according to claims 1 and 2, further comprising an alum adjuvant.
4. "A method of using the immunogenic composition of anyone of claims 1 to 3, comprising administering said immunogenic composition to a host in an amount sufficient to induce an immunogenic or protecting response in vivo.

5. The method according to claim 4, wherein the immunogenic composition is administered by oral, respiratory, or parenteral routes.
6. The method according to claim 4, wherein the immunogenic composition comprises an alum adjuvant.
7. The method of vaccinating against SARS CoV comprising administering any combination of the nucleic acid encoding Spike polypeptides, the proteins and polypeptides to an individual.
8. The method of vaccinating according to claim 7, wherein the individual is a mammal.