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By Leigh Hopper, Houston Chronicle Knight Ridder/Tribune Business News
Feb. 18--Just as flu activity in Houston is picking up, here comes a new twist in this season's flu-shot shortage saga: A virus strain making increasing numbers of people sick isn't included in the current vaccine.
"It looks like we're having a fairly severe epidemic," said Paul Glezen, a flu researcher at Baylor College of Medicine who monitors influenza activity in Houston and Central Texas.
A new strain that originated in Santa Clara County, Calif., is incapacitating a growing number of people, and could end up as the predominant strain infecting patients this season. The strain has shown up in 28 percent of flu-virus samples nationwide, Glezen said. On Wednesday, the Food and Drug …