Influenza Reports - Current

Flu Season Weekly updates on influenza ("flu") in the City of St. Louis.

The following reports detail the weekly percentage of emergency room visits for influenza-like illness, incidence rate (number of new cases) by age group of confirmed influenza cases, and compares the current influenza season to previous influenza seasons.

Current 2017-18 Flu Season Weekly Reports

Reports are posted every Wednesday during the influenza season (September to May).

Flu Season Report Week 28: April 8, 2018 through April 14, 2018
Week 28 Flu Season Report for 2017 - 2018

Flu Season Report Week 27: April 1, 2018 through April 7, 2018
Week 27 Flu Season Report for 2017 - 2018

Flu Season Report Week 26: March 25, 2018 through March 31, 2018
Week 26 Flu Season Report for 2017 - 2018

Flu Season Report Week 25: March 18, 2018 through March 24, 2018
Week 25 Flu Season Report for 2017 - 2018

Flu Season Report Week 24:March 11, 2018 through March 17, 2018
Week 24 Flu Season Report for 2017 - 2018

Flu Season Report Week 23: March 4, 2018 through March 10, 2018
Week 23 Flu Season Report for 2017 - 2018

Flu Season Report Week 22: February 25, 2018 through March 3, 2018
Week 22 Flu Season Report for 2017 - 2018

Flu Season Report week 21: February 18, 2018 through February 24, 2018
Week 21 Flu Season Report for 2017 - 2018

Flu Season Report Week 20: February 11, 2018 through February 17, 2018
Week 20 Flu Season Report for 2017 - 2018

Flu Season Report week 19: February 4, 2018 through February 10, 2018
Week 19 Flu Season Report for 2017 - 2018

Flu Season Report week 18: January 28, 2018 through February 3, 2018
Week 18 Flu Season Report for 2017 - 2018

Flu Season Report week 17: January 21, 2018 through January 27, 2018
Week 17 Flu Season Report for 2017 - 2018

Flu Season Report week 16: January 14, 2018 through January 20, 2018
Week 16 Flu Season Report for 2017 - 2018

Flu Season Report week 15: January 7, 2018 through January 13, 2018
Week 13 Flu Season Report for 2017 - 2018

Flu Season Report week 14: December 31, 2017 through January 6, 2018
Week 14 Flu Season Report for 2017 - 2018

Flu Season Report week 13: December 24, 2017 through December 30, 2017
Week 13 Flu Season Report for 2017 - 2018

Flu Season Report week 12: December 17, 2017 through December 23, 2017
Week 12 Flu Season Report for 2017 - 2018

Flu Season Report Week 11: December 10, 2017 through December 16, 2017
Week 11 Flu Season Report for 2017 - 2018

Flu Season Report Week 10: December 3, 2017 through December 9, 2017
Week 10 Flu Season Report for 2017 - 2018

Flu Season Report Week 9: November 26, 2017 through December 2, 2017
Week 9 Flu Season Report for 2017 - 2018

Flu Season Report Week 8: November 19, 2017 through November 25, 2017
Week 8 Flu Season Report for 2017 - 2018

Flu Season Report Week 7: November 12, 2017 through November 18, 2017
Week 7 Flu Season Report for 2017 - 2018

Flu Season Report Week 6: November 5, 2017 through November 11, 2017
Week 6 Flu Season Report for 2017 - 2018

Flu Season Report Week 5: October 29, 2017 through November 4, 2017
Week 5 Flu Season Report for 2017 - 2018

Flu Season Report Week 4: October 22, 2017 through October 28, 2017
Week 4 Flu Season Report for 2017 - 2018

Flu Season Report Week 3: October 15, 2017 through October 21, 2017
Week 3 Flu Season Report for 2017 - 2018

Flu Season Report Week 2: October 8, 2017 through October 14, 2017
Week 2 Flu Season Report for 2017 - 2018

Flu Season Report Week 1: October 1, 2017 through October 7, 2017
Week 1 Flu Season Report for 2017 - 2018

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