by Melly Alazraki for Daily Finance
President Obama declared the H1N1 flu outbreak a national emergency last weekend. While U.S. officials insist the move is not a reaction to new developments but a preventive measure, it comes just as the vaccine shortage has been making headlines, with the Centers for Disease Control “frustrated” by the tight supply of vaccine — and Friday’s report that swine flu, still on the rise in schools, has forced 315 schools to temporarily shut down.