Elevated means the percentage of visits for Influenza-Like Illness is at or above the national or region-specific baseline
US influenza activity for the week ending March 22, 2008
US infuenza activity for the week ending March 15, 2008
US infuenza activity for the week ending March 8, 2008
US infuenza activity for the week ending March 1, 2008
US infuenza activity for the week ending February 23, 2008
US influenza activity for the week ending March 22, 2008
US infuenza activity for the week ending March 15, 2008
US infuenza activity for the week ending March 8, 2008
US infuenza activity for the week ending March 1, 2008
US infuenza activity for the week ending February 23, 2008