Already , customs officers have asked 49 people to submit to tests for the H1N1 virus , she said . NEW : 99 cases confirmed in Mexico , up from 26 earlier Wednesday . Comment: Researchers conducting complete genetic sequencing of the H1N1 virus . World Health Organizations reports 148 cases in 9 countries .
NEW : 99 cases confirmed in Mexico , up from 26 earlier Wednesday . Comment: Researchers conducting complete genetic sequencing of the H1N1 virus . World Health Organizations reports 148 cases in 9 countries .