Influenza Surveillance

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During the influenza surveillance season, a summary providing an overview of the current status of influenza and respiratory illness in Middlesex-London is posted weekly on Tuesday to the COVID-19 data dashboard under the Respiratory Summary tab. Please see a record of previous reports below.

Please note that May 2, 2023 is the final Community Influenza Surveillance Report of the 2022-2023 influenza season. Local influenza surveillance and reporting for London and Middlesex County will resume in the fall of 2023.

2023

May 2, 2023 - Influenza Surveillance (PDF)
April 25, 2023 - Influenza Surveillance (PDF)
April 18, 2023 - Influenza Surveillance (PDF)
April 12, 2023 - Influenza Surveillance (PDF)
April 4, 2023 - Influenza Surveillance (PDF)
March 28, 2023 - Influenza Surveillance (PDF)
March 21, 2023 - Influenza Surveillance (PDF)
March 14, 2023 - Influenza Surveillance (PDF)
March 7, 2023 - Influenza Surveillance (PDF)
February 28, 2023 - Influenza Surveillance (PDF)
February 22, 2023 - Influenza Surveillance (PDF)
February 14, 2023 - Influenza Surveillance (PDF)
February 7, 2023 - Influenza Surveillance (PDF)
January 31, 2023 - Influenza Surveillance (PDF)
January 24, 2023 - Influenza Surveillance (PDF)
January 17, 2023 - Influenza Surveillance (PDF)
January 10, 2023 - Influenza Surveillance (PDF)
January 4, 2023 - Influenza Surveillance (PDF)

2022

December 20, 2022 - Influenza Surveillance (PDF)
December 13, 2022 - Influenza Surveillance (PDF)
December 6, 2022 - Influenza Surveillance (PDF)
November 29, 2022 - Influenza Surveillance (PDF)
November 22, 2022 - Influenza Surveillance (PDF)
November 15, 2022 - Influenza Surveillance (PDF)
November 8, 2022 - Influenza Surveillance (PDF)
June 29, 2022 - Influenza Surveillance (PDF)
June 22, 2022 - Influenza Surveillance (PDF)
June 15, 2022 - Influenza Surveillance (PDF)
June 8, 2022 - Influenza Surveillance (PDF)
June 1, 2022 - Influenza Surveillance (PDF)
May 25, 2022 - Influenza Surveillance (PDF)
May 18, 2022 - Influenza Surveillance (PDF)
May 11, 2022 - Influenza Surveillance (PDF)
May 4, 2022 - Influenza Surveillance (PDF)
April 27, 2022 - Influenza Surveillance (PDF)
April 20, 2022 - Influenza Surveillance (PDF)
April 13, 2022 - Influenza Surveillance (PDF)
April 6, 2022 - Influenza Surveillance (PDF)
March 30, 2022 - Influenza Surveillance (PDF)
March 23, 2022 - Influenza Surveillance (PDF)
March 16, 2022 - Influenza Surveillance (PDF)
March 9, 2022 - Influenza Surveillance (PDF)
March 2, 2022 - Influenza Surveillance (PDF)
February 23, 2022 - Influenza Surveillance (PDF)
February 16, 2022 - Influenza Surveillance (PDF)
February 9, 2022 - Influenza Surveillance (PDF)
February 2, 2022 - Influenza Surveillance (PDF)
January 26, 2022 - Influenza Surveillance (PDF)
January 19, 2022 - Influenza Surveillance (PDF)
January 12, 2022 - Influenza Surveillance (PDF)
January 5, 2022 - Influenza Surveillance (PDF)

2021

December 22, 2021 - Influenza Surveillance (PDF)
December 15, 2021 - Influenza Surveillance (PDF)
December 8, 2021 - Influenza Surveillance (PDF)
December 1, 2021 - Influenza Surveillance (PDF)
November 24, 2021 - Influenza Surveillance (PDF)
November 17, 2021 - Influenza Surveillance (PDF)
November 10, 2021 - Influenza Surveillance (PDF)
May 5, 2021 - Influenza Surveillance (PDF)
April 28, 2021 - Influenza Surveillance (PDF)
April 21, 2021 - Influenza Surveillance (PDF)
April 14, 2021 - Influenza Surveillance (PDF)
April 7, 2021- Influenza Surveillance (PDF)
March 31, 2021 - Influenza Surveillance (PDF)
March 24, 2021 - Influenza Surveillance (PDF)
March 17, 2021 - Influenza Surveillance (PDF)
March 10, 2021 - Influenza Surveillance (PDF)
March 3, 2021 - Influenza Surveillance (PDF)
February 24, 2021 - Influenza Surveillance (PDF)
February 17, 2021 - Influenza Surveillance (PDF)
February 10, 2021 - Influenza Surveillance (PDF)
February 3, 2021 - Influenza Surveillance (PDF)
January 27, 2021 - Influenza Surveillance (PDF)
January 20, 2021 - Influenza Surveillance (PDF)
January 13, 2021 - Influenza Surveillance (PDF)
January 6, 2021 - Influenza Surveillance (PDF)

2020

December 22, 2020 - Influenza Surveillance (PDF)
December 15, 2020 - Influenza Surveillance (PDF)
December 8, 2020 - Influenza Surveillance (PDF)
December 1, 2020 - Influenza Surveillance (PDF)
November 25, 2020 - Influenza Surveillance (PDF)
April 8, 2020 - Influenza Surveillance (PDF)
April 1, 2020 - Influenza Surveillance (PDF)
March 25, 2020 - Influenza Surveillance (PDF)
March 18, 2020 - Influenza Surveillance (PDF)
March 11, 2020 - Influenza Surveillance (PDF)
March 4, 2020 - Influenza Surveillance (PDF)
February 26, 2020 - Influenza Surveillance (PDF)
February 19, 2020 - Influenza Surveillance (PDF)
February 12, 2020 - Influenza Surveillance (PDF)
February 5, 2020 - Influenza Surveillance (PDF)
January 29, 2020 - Influenza Surveillance (PDF)
January 22, 2020 - Influenza Surveillance (PDF)
January 15, 2020 - Influenza Surveillance (PDF)
January 8, 2020 - Influenza Surveillance (PDF)

2019

December 18, 2019 - Influenza Surveillance (PDF)
December 11, 2019 - Influenza Surveillance (PDF)
December 4, 2019 - Influenza Surveillance (PDF)
November 27, 2019 - Influenza Surveillance (PDF)
November 20, 2019 - Influenza Surveillance (PDF)
November 13, 2019 - Influenza Surveillance (PDF)
May 8, 2019 - Influenza Surveillance (PDF)
May 1, 2019 - Influenza Surveillance (PDF)
April 24, 2019 - Influenza Surveillance (PDF)
April 17, 2019 - Influenza Surveillance (PDF)
April 10, 2019 - Influenza Surveillance (PDF)
April 3, 2019 - Influenza Surveillance (PDF)
March 27, 2019 - Influenza Surveillance (PDF)
March 20, 2019 - Influenza Surveillance (PDF)
March 13, 2019 - Influenza Surveillance (PDF)
March 6, 2019 - Influenza Surveillance (PDF)
February 27, 2019 - Influenza Surveillance (PDF)
February 20, 2019 - Influenza Surveillance (PDF)
February 13, 2019 - Influenza Surveillance (PDF)
February 6, 2019 - Influenza Surveillance (PDF)
January 30, 2019 - Influenza Surveillance (PDF)
January 16, 2019 - Influenza Surveillance (PDF)
January 9, 2019 - Influenza Surveillance (PDF)

2018

December 19, 2018 - Influenza Surveillance (PDF)
December 12, 2018 - Influenza Surveillance (PDF)
December 5, 2018 - Influenza Surveillance (PDF)
November 28, 2018 - Influenza Surveillance (PDF)
November 21, 2018 - Influenza Surveillance (PDF)
November 14, 2018 - Influenza Surveillance (PDF)
November 7, 2018 - Influenza Surveillance (PDF)
May 2, 2018 - Influenza Surveillance (PDF)
April 25, 2018 - Influenza Surveillance (PDF)
April 18, 2018 - Influenza Surveillance (PDF)
April 11, 2018 - Influenza Surveillance (PDF)
April 4, 2018 - Influenza Surveillance (PDF)
March 28, 2018 - Influenza Surveillance (PDF)
March 21, 2018 - Influenza Surveillance (PDF)
March 14, 2018 - Influenza Surveillance (PDF)
March 7, 2018 - Influenza Surveillance (PDF)
February 28, 2018 - Influenza Surveillance (PDF)
February 21, 2018 - Influenza Surveillance (PDF)
February 14, 2018 - Influenza Surveillance (PDF)
February 7, 2018 - Influenza Surveillance (PDF)
January 31, 2018 - Influenza Suveillance (PDF)
January 24, 2018 - Influenza Suveillance (PDF)
January 17, 2018 - Influenza Suveillance (PDF)
January 10, 2018 - Influenza Suveillance (PDF)

2017

December 20, 2017 - Influenza Suveillance (PDF)
December 13, 2017 - Influenza Suveillance (PDF)
December 6, 2017 - Influenza Suveillance (PDF)
November 29, 2017 - Influenza Suveillance (PDF)
November 22, 2017 - Influenza Suveillance (PDF)
November 15, 2017 - Influenza Suveillance (PDF)
May 9, 2017 - Influenza Suveillance (PDF)
May 2, 2017 - Influenza Suveillance (PDF)
April 25, 2017 - Influenza Surveillance (PDF)
April 18, 2017 - Influenza Surveillance (PDF)
April 11, 2017 - Influenza Surveillance (PDF)
April 4, 2017 - Influenza Surveillance (PDF)
March 28, 2017 - Influenza Surveillance (PDF)
March 21, 2017 - Influenza Surveillance (PDF)
March 14, 2017 - Influenza Surveillance (PDF)
March 7, 2017 - Influenza Surveillance (PDF)
February 28, 2017 - Influenza Surveillance (PDF)
February 22, 2017 - Influenza Surveillance (PDF)
February 14, 2017 - Influenza Surveillance (PDF)
February 7, 2017 - Influenza Surveillance (PDF)
January 31, 2017 - Influenza Surveillance (PDF)
January 24, 2017 - Influenza Surveillance (PDF)
January 17, 2017 - Influenza Surveillance (PDF)
January 10, 2017 - Influenza Surveillance (PDF)
January 4, 2017 - Influenza Surveillance (PDF)

2016

December 28, 2016 - Influenza Surveillance (PDF 479KB)
December 20, 2016 - Influenza Surveillance (PDF 260KB)
December 13, 2016 - Influenza Surveillance (PDF 260KB)
December 6, 2016 - Influenza Surveillance (PDF 259KB)
November 29, 2016 - Influenza Surveillance (PDF 259KB)
November 22, 2016 - Influenza Surveillance (PDF 223KB)
November 15, 2016 - Influenza Surveillance (PDF 224KB)
November 8, 2016 - Influenza Surveillance (PDF 223KB)
November 2, 2016 - Influenza Surveillance (PDF 224KB)
June 7, 2016 - Influenza Surveillance (PDF 279KB)
May 31, 2016 - Influenza Surveillance (PDF 273KB)
May 24, 2016 - Influenza Surveillance (PDF 275KB)
May 17, 2016 - Influenza Surveillance (PDF 277KB)
May 10, 2016 - Influenza Surveillance (PDF 275KB)
May 3, 2016 - Influenza Surveillance (PDF 275KB)
April 26, 2016 - Influenza Surveillance (PDF 597KB)
April 20, 2016 - Influenza Surveillance (PDF 274KB)
April 12, 2016 - Influenza Surveillance (PDF 273KB)
April 5, 2016 - Influenza Surveillance (PDF 273KB)
March 30, 2016 - Influenza Surveillance (PDF 577KB)
March 22, 2016 - Influenza Surveillance (PDF 271KB)
March 15, 2016 - Influenza Surveillance (PDF 272KB)
March 8, 2016 - Influenza Surveillance (PDF 268KB)
March 1, 2016 - Influenza Surveillance (PDF 268KB)
February 23, 2016 - Influenza Surveillance (PDF 225KB)
February 16, 2016 - Influenza Surveillance (PDF 225KB)
February 9, 2016 - Influenza Surveillance (PDF 225KB)
February 2, 2016 - Influenza Surveillance (PDF 225KB)
January 26, 2016 - Influenza Surveillance (PDF 226KB)
January 19, 2016 - Influenza Surveillance (PDF 225KB)
January 12, 2016 - Influenza Surveillance (PDF 225KB)
January 5, 2016 - Influenza Surveillance (PDF 230KB)

2015

December 15, 2015 - Influenza Surveillance (PDF 226KB)
December 8, 2015 - Influenza Surveillance (PDF 221KB)
December 1, 2015 - Influenza Surveillance (PDF 105KB)
November 24, 2015 - Influenza Surveillance (PDF 218KB)
November 18, 2015 - Influenza Surveillance (PDF 219KB)
November 10, 2015 - Influenza Surveillance (PDF 218KB)
November 3, 2015 - Influenza Surveillance (PDF 164KB)
May 26, 2015 - Influenza Surveillance (PDF 586KB)
May 20, 2015 - Influenza Surveillance (PDF 586KB)
May 12, 2015 - Influenza Surveillance (PDF 584KB)
May 4, 2015 - Influenza Surveillance (PDF 580KB)
April 28, 2015 - Influenza Surveillance (PDF 581KB)
April 21, 2015 - Influenza Surveillance (PDF 578KB)
April 14, 2015 - Influenza Surveillance (PDF 292KB)
April 7, 2015 - Influenza Surveillance (PDF 576KB)
March 31, 2015 - Influenza Surveillance (PDF 570KB)
March 24, 2015 - Influenza Surveillance (PDF 295KB)
March 17, 2015 - Influenza Surveillance (PDF 544KB)
March 10, 2015 - Influenza Surveillance (PDF 544KB)
March 3, 2015 - Influenza Surveillance (PDF 542KB)
February 23, 2015 - Influenza Surveillance (PDF 534KB)
February 17, 2015 - Influenza Surveillance (PDF 291KB)
February 10, 2015 - Influenza Surveillance (PDF 291KB)
February 3, 2015 - Influenza Surveillance (PDF 531KB)
January 27, 2015 - Influenza Surveillance (PDF 515KB)
January 20, 2015 - Influenza Surveillance (PDF 288KB)
January 13, 2015 - Influenza Surveillance (PDF 287KB)
January 06, 2015 - Influenza Surveillance (PDF 479KB)

2014

December 29, 2014 - Influenza Surveillance (PDF 240KB)
December 23, 2014 - Influenza Surveillance (PDF 112KB)
December 16, 2014 - Influenza Surveillance (PDF 114KB)
December 9, 2014 - Influenza Surveillance (PDF 245KB)
December 3, 2014 - Influenza Surveillance (PDF 113KB)
June 9, 2014 - Influenza Surveillance (PDF 294KB)
June 2, 2014 - Influenza Surveillance (PDF 292KB)
May 26, 2014 - Influenza Surveillance (PDF 295KB)
May 20, 2014 - Influenza Surveillance (PDF 590KB)
May 12, 2014 - Influenza Surveillance (PDF 292KB)
May 5, 2014 - Influenza Surveillance (PDF 589KB)
April 28, 2014 - Influenza Surveillance (PDF 293KB)
April 22, 2014 - Influenza Surveillance (PDF293KB)
April 14, 2014 - Influenza Surveillance (PDF 292KB)
April 7, 2014 - Influenza Surveillance (PDF 291KB)
March 31, 2014 - Influenza Surveillance (PDF 555KB)
March 24, 2014 - Influenza Surveillance (PDF 288KB)
March 17, 2014 - Influenza Surveillance (PDF 540KB)
March 10, 2014 - Influenza Surveillance (PDF 541KB)
March 3, 2014 - Influenza Surveillance (PDF 515KB)
February 24, 2014 - Influenza Surveillance (PDF 388KB)
February 18, 2014 - Influenza Surveillance (PDF 328KB)
February 10, 2014 - Influenza Surveillance (PDF 529KB)
February 3, 2014 - Influenza Surveillance (PDF 326KB)
January 27, 2014 - Influenza Surveillance (PDF 509KB)
January 20, 2014 - Influenza Surveillance (PDF 533KB)
January 14, 2014 - Influenza Surveillance (PDF 520KB)
January 6, 2014 - Influenza Surveillance (PDF 110KB)

2013

December 23, 2013 - Influenza Surveillance (PDF 155KB)
December 17, 2013 - Influenza Surveillance (PDF 107KB)
December 9, 2013 - Influenza Surveillance (PDF 106KB)
November 28, 2013- Influenza Surveillance (PDF 126KB)
November 22, 2013 - Influenza Surveillance (PDF 126KB)
May 3, 2013 - Influenza Surveillance (PDF 283KB)
April 25, 2013 - Influenza Surveillance (PDF 284KB)
April 18, 2013 - Influenza Surveillance (PDF 337KB)
April 11, 2013 - Influenza Surveillance (PDF 335KB)
April 4, 2013 - Influenza Surveillance (PDF 287 KB)
March 28, 2013 - Influenza Surveillance (PDF 273 KB)
March 22, 2013 - Influenza Surveillance (PDF 274 KB)
March 14, 2013 - Influenza Surveillance (PDF 218 KB)
March 08, 2013 - Influenza Surveillance (PDF 216 KB)
March 01, 2013 - Influenza Surveillance (PDF 216KB)
February 21, 2013 - Influenza Surveillance (PDF 211KB)
February 14, 2013 - Influenza Surveillance (PDF 241KB)
January 16, 2013 - Influenza Surveillance (PDF 111KB)
January 09, 2013 - Influenza Surveillance (PDF 115KB)

2012

December 18, 2012 - Influenza Surveillance (PDF 106KB)
December 12, 2012 - Influenza Surveillance (PDF 106KB)
December 06, 2012 - Influenza Surveillance (PDF 106KB)
November 19, 2012 - Influenza Surveillance (PDF 82KB)
June 05, 2012 - Influenza Surveillance (PDF 106KB)
May 29, 2012 - Influenza Surveillance (PDF 115KB)
May 15, 2012 - Influenza Surveillance (PDF 111KB)
May 01, 2012 - Influenza Surveillance (PDF 106KB)
April 24, 2012 - Influenza Surveillance (PDF 111KB)
April 17, 2012 - Influenza Surveillance (PDF 106KB)
April 10, 2012 - Influenza Surveillance (PDF 106KB)
April 03, 2012 - Influenza Surveillance (PDF 106KB)
March 27, 2012 - Influenza Surveillance (PDF 106KB)
March 20, 2012 - Influenza Surveillance (PDF 106KB)
March 12, 2012 - Influenza Surveillance (PDF 115KB)
March 05, 2012 - Influenza Surveillance (PDF 102KB)
February 27, 2012 - Influenza Surveillance (PDF 102KB)
February 21, 2012 - Influenza Surveillance (PDF 102KB)
February 13, 2012 - Influenza Surveillance (PDF 106KB)
February 06, 2012 - Influenza Surveillance (PDF 102KB)
January 30, 2012 - Influenza Surveillance (PDF 98KB)
January 20, 2012 - Influenza Surveillance (PDF 102KB)
January 13, 2012 - Influenza Surveillance (PDF 98KB)
January 06, 2012 - Influenza Surveillance (PDF 98KB)

Date of creation: February 12, 2013
Last modified on: May 10, 2023