NEW : 148 cases confirmed in H1N1 , up from 26 earlier Wednesday . Some government offices , private business in Mexico to close from Wednesday . Researchers conducting complete genetic sequencing of the H1N1 virus . U.N. reports 9 cases in 9 countries .
NEW : 99 cases confirmed in Mexico , up from 26 earlier Wednesday . Some government offices , private business in Mexico to close from May 1 to 5 . Researchers conducting complete genetic sequencing of the H1N1 virus . World Health Organizations reports 148 cases in 9 countries .