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Vaccine for Dengue Virus

Posted Feb 27 2011 7:00pm

Description of Invention:
The claimed invention relates to viable chimeric dengue viruses or their derived recombinant mutants for use as vaccines against dengue and other flavivirus diseases, including tick-borne encephalitis and West Nile encephalitis. Dengue is a mosquito-transmitted viral disease which occurs in tropical and subtropical regions throughout the world. Inactivated whole dengue virus vaccines have been shown to be insufficiently immunogenic and live dengue virus vaccines prepared by serial passage in cell culture have not been shown to be consistently attenuated. A dengue vaccine is still not available. The present invention represents a technical breakthrough, which provides new approaches to dengue vaccines by construction of chimeric dengue viruses of all four serotypes and strategic modification to produce attenuated virus strains. Several fields of use remain available for licensing.

Prevention of dengue outbreaks, severe and fatal dengue caused by dengue viruses, a major public health problem in tropical and subtropical regions.

Ching-juh Lai (NIAID)

Patent Status:
HHS, Reference No. E-171-1988/1
US, , Patent No. 6,184,024, Issued 06 Feb 2001
HHS, Reference No. E-171-1988/1
US, , Patent No. 6,676,936, Issued 13 Jan 2004

Licensing Status:
Available for non-exclusive licensing.

Infectious Diseases
Infectious Diseases - Vaccines

For Licensing Information Please Contact:
Peter Soukas J.D.
NIH Office of Technology Transfer
6011 Executive Blvd. Suite 325 Room 14,
Rockville, MD 20852-3804
United States
Phone: 301-435-4646
Fax: 301-402-0220

Ref No: 1478

Updated: 02/2011

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