Hawaii Biotech, Inc. has been awarded a contract from The Department of Defense, Defense Threat Reduction Agency to develop drugs that block botulinum toxin, the toxin that causes the life-threatening disease, botulism, for which there is no currently available therapeutic drug.   The contract, valued at approximately $5.5 million, has a first-year period of performance through early 2014, followed by three option years. Hawaii Biotech will work to improve its current anti-botulinum toxin inhibi...