SIGA To Receive Smallpox Antiviral Contract By: MarketMinute.com Stock News October 13, 2010 at 13:32 PM EDT The Health and Human Services Department will award SIGA Technologies Inc. (Nasdaq: SIGA) a contract to provide 1.7 million courses of smallpox antiviral for the national stockpile sending the stock price soaring $3.60 to $12.16. Related Stocks: Siga Technologies Inc