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SARS vaccine compositions and methods of making and using them

  • US 8,506,968 B2
  • Filed: 12/28/2009
  • Issued: 08/13/2013
  • Est. Priority Date: 06/29/2000
  • Status: Expired due to Fees
First Claim
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1. A composition comprising a modified, partially delipidated viral particle of a coronavirus, wherein the modified, partially delipidated viral particle of the coronavirusis immunogenic,is of reduced infectivity as compared to the coronavirus not subjected to delipidation, andcomprises an envelope with envelope viral and host proteins and a lower lipid content as compared to an envelope in the coronavirus not subjected to delipidation,wherein the modified, partially delipidated viral particle is produced by exposing the coronavirus not subjected to delipidation to a partial delipidation process consisting essentially of treating the coronavirus with 0.01% to 3% solvent,and wherein the solvent is an ether, a fluoroether, an alcohol, or a combination thereof.

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