NEW : CEO : Boost from swine flu vaccine The H1N1 virus is a new strain of influenza that has been circulating in the U.S. since last fall. More than 700 people have died of the virus , the organization said Tuesday . Sales of flu drug Relenza soar as governments stockpile in case of pandemic . Around the world there have been 98,000 cases of swine flu in 120 countries . With 29 deaths , Britain has the worst swine flu figures in Europe .
NEW : CEO : Boost from swine flu vaccine The H1N1 virus is a new strain of influenza that has been circulating in the U.S. since last fall. Sales of flu drug Relenza soar as governments stockpile in case of pandemic . Around the world there have been 98,000 cases of swine flu in 120 countries . With 29 deaths , Britain has the worst swine flu figures in Europe .