Seasonal influenza activity is at or above baseline as of week 46, according to the CDC. Get a snapshot of the data.
CDC seasonal influenza surveillance data for week 46 of the 2019-2020 season show influenza-like illness (ILI) activity nationwide has been at or above baseline for about 2 weeks and that the activity varies by region â the south and west seeing an increase but other areas of the country seeing low activity. Older adults and the very young are affected most.The 10 slides below offer a snapshot of the CDC's FluView Weekly Update for the week ended November 16, 2019.