Influenza Weekly Reports

 

To see how this year's influenza season has progressed, please click on the MMWR Week number that corresponds with the week's beginning and end date you are interested in seeing. Each report is progressive and includes data starting from the beginning of this flu season.

 

ALL DATA ARE PRELIMINARY AND SUBJECT TO CHANGE.

This year's flu season data collection begins with Week 35; August 25, 2019.

 

Year

 

MMWR

Week

 

Week

Beginning

 

Week

Ending

 

Influenza Activity

Classification*

 

2020 15 April 5, 2020 April 11, 2020 Sporadic
2020 14 March 29, 2020 April 4, 2020 Regional
2020 13 March 22, 2020 March 28, 2020 Widespread
2020 12 March 15, 2020 March 21, 2020 Widespread
2020 11 March 8, 2020 March 14, 2020 Widespread
2020 10 March 1, 2020 March 7, 2020 Widespread
2020 9 February 23, 2020 February 29, 2020 Widespread
2020 8 February 16, 2020 February 22, 2020 Widespread
2020 7 February 9, 2020 February 15, 2020 Widespread
2020 6 February 2, 2020 February 8, 2020 Widespread
2020 5 January 26, 2020 February 1, 2020 Widespread
2020 4 January 19, 2020 January 25, 2020 Widespread
2020 3 January 12, 2020 January 18, 2020 Widespread
2020 2 January 5, 2020 January 11, 2020 Widespread
2020 1 December 29, 2019 January 4, 2020 Widespread
2019 52 December 22, 2019 December 28, 2019 Widespread
2019 51 December 15, 2019 December 21, 2019 Widespread
2019 50 December 8, 2019 December 14, 2019 Widespread
2019 49 December 1, 2019 December 7, 2019 Widespread
2019 48 November 24, 2019 November 30, 2019 Widespread
2019 47 November 17, 2019 November 23, 2019 Regional
2019 46 November 10, 2019 November 16, 2019 Regional
2019 45 November 3, 2019 November 9, 2019 Local
2019 44 October 27, 2019 November 2, 2019 Sporadic
2019 43 October 20, 2019 October 26, 2019  Sporadic

2019

42

October 13 , 2019

October 19 , 2019

 Sporadic

 

 *Influenza Activity Classification-Geographic spread of influenza activity is reported as:

Geographic Activity Classification

 

This page last updated 4/16/2020.