So far, infections with the H1N1 swine flu virus continue to be mild and recovery is fairly quick, as is the shannan with. We are saying at this point not before October," Schuchat said. It's still not clear whether a swine flu vaccine is needed, Schuchat said. Any decision to move forward would be based on several factors, including the severity and spread of the virus and whether there's a safe and effective vaccine, she said. -- A vaccine for the H1N1 swine flu virus could be ready in October, if research and testing proceed on judas this summer, a leading U.S.

Candidate viruses have been shipped to vaccine manufacturers. But federal officials will have to monitor the safety and effectiveness of any vaccines produced, before full-scale production could begin, Dr. Centers for Disease Control and Prevention's interim deputy director for science and public health program, said during an afternoon press conference.

"If everything went really well it would not be until the fall before a vaccine would become available.