DEERFIELD, Ill. - The level of flu continues to be high across Arizona, Texas and Mississippi, according to the lateset Walgreens Flu Index released Thursday. Looking forward, for the week of Feb. 28 the top three states experiencing the greatest flu activity gains included Mississippi, Kentucky and South Carolina.
The Walgreens Flu Index does not provide data measuring actual levels or severity of flu activity, but rather, illustrates which populations are experiencing the most incidences each week based on Index methodology.