Influenza surveillance report archive

Reporting period: June 18 to July 15, 2023 (Weeks 25-28) Full Report (PDF)

Reporting period: May 21 to June 17, 2023 (Weeks 21-24) Full Report (PDF)

Reporting period: April 23 to May 20, 2023 (Weeks 17-20) Full Report (PDF)

Reporting period: April 16 to April 22, 2023 (Week 16) Full Report (PDF)

Reporting period: April 9 to April 15, 2023 (Week 15) Full Report (PDF)

Reporting period: April 2 to April 8, 2023 (Week 14) Full Report (PDF)

Reporting period: March 26 to April 1, 2023 (Week 13) Full Report (PDF)

Reporting period: March 19 to March 25, 2023 (Week 12) Full Report (PDF)

Reporting period: March 12 to March 18, 2023 (Week 11) Full Report (PDF)

Reporting period: March 5 to March 11, 2023 (Week 10) Full Report (PDF)

Reporting period: February 20 to March 4, 2023 (Week 9) Full Report (PDF)

Reporting period: February 19 to February 25, 2023 (Week 8) Full Report (PDF)

Reporting period: February 12 to February 18, 2023 (Week 7) Full Report (PDF)

Reporting period: February 5 to February 11, 2023 (Week 6) Full Report (PDF)

Reporting period: January 29 to February 4, 2023 (Week 5) Full Report (PDF)

Reporting period: January 22 to January 28, 2023 (Week 4) Full Report (PDF)

Reporting period: January 15 to January 21, 2023 (Week 3) Full Report (PDF)

Reporting period: January 8 to January 14, 2023 (Week 2) Full Report (PDF)

Reporting period: January 1 to January 7, 2023 (Week 1) Full Report (PDF)

Reporting period: December 18 to December 31, 2022 (Week 51 & 52) Full Report (PDF)

Reporting period: December 11 to December 17, 2022 (Week 50) Full Report (PDF)

Reporting period: December 4 to December 10, 2022 (Week 49) Full Report (PDF)

Reporting period: November 27 to December 3, 2022 (Week 48) Full Report (PDF)

Reporting period: November 20 to November 26, 2022 (Week 47) Full Report (PDF)

Reporting period: November 13 to November 19, 2022 (Week 46) Full Report (PDF)

Reporting period: November 6 to November 12, 2022 (Week 45) Full Report (PDF)

Reporting period: October 30 to November 5, 2022 (Week 44) Full Report (PDF)

Reporting period: October 16 to October 29, 2022 (Weeks 42 & 43) Full Report (PDF)

Reporting period: October 2 to October 15, 2022 (Weeks 40 & 41) Full Report (PDF)

Reporting period: August 28 to October 1, 2022 (Weeks 35 to 39) Full Report (PDF)

Reporting period: July 31 to August 27, 2022 (Weeks 31-34) Full Report (PDF)

Reporting period: July 17 to July 30, 2022 (Weeks 29 & 30) Full Report (PDF)

Reporting period: July 10 to July 16, 2022 (Week 28) Full Report (PDF)

Reporting period: July 3 to July 9, 2022 (Week 27) Full Report (PDF)

Reporting period: June 26 to July 2, 2022 (Week 26) Full Report (PDF)

Reporting period: June 19 to June 25, 2022 (Week 25) Full Report (PDF)

Reporting period: June 12 to June 18, 2022 (Week 24) Full Report (PDF)

Reporting period: June 5 to June 11, 2022 (Week 23) Full Report (PDF)

Reporting period: May 29 to June 4, 2022 (Week 22) Full Report (PDF)

Reporting period: May 22, 2022 to May 28, 2022 (Week 21) Full Report (PDF)

Reporting period: May 15, 2022 to May 21, 2022 (Week 20) Full Report (PDF)

Reporting period: May 8, 2022 to May 14, 2022 (Week 19) Full Report (PDF)

Reporting period: May 1, 2022 to May 7, 2022 (Week 18) Full Report (PDF)

Reporting period: April 17, 2022 to April 30, 2022 (Weeks 16 to 17) Full Report (PDF)

Reporting period: March 27, 2022 to April 16, 2022 (Weeks 13 to 15) Full Report (PDF)

Reporting period: March 13, 2022 to March 26, 2022 (Weeks 11 to 12) Full Report (PDF)

Reporting period: March 6, 2022 to March 12, 2022 (Week 10) Full Report (PDF)

Reporting period: February 27, 2022 to March 5, 2022 (Week 9) Full Report (PDF)

Reporting period: February 20, 2022 to February 26, 2022 (Week 8) Full Report (PDF)

Reporting period: February 13, 2022 to February 19, 2022 (Week 7) Full Report (PDF)

Reporting period: February 6, 2022 to February 12, 2022 (Week 6) Full Report (PDF)

Reporting period: January 30, 2022 to February 5, 2022 (Week 5) Full Report (PDF)

Reporting period: January 23, 2022 to January 29, 2022 (Week 4) Full Report (PDF)

Reporting period: January 16, 2022 to January 22, 2022 (Week 3) Full Report (PDF)

Reporting period: January 9, 2022 to January 15, 2022 (Week 2) Full Report (PDF)

Reporting period: January 2, 2022 to January 8, 2022 (Week 1) Full Report (PDF)

Reporting period: December 12 to January 1, 2022 (Weeks 50-52) Full Report (PDF)

Reporting period: December 5 to December 11, 2021 (Week 49) Full Report (PDF)

Reporting period: November 28 to December 4, 2021 (Week 48) Full Report (PDF)

Reporting period: November 21 to November 27, 2021 (Week 47) Full Report (PDF)

Reporting period: November 14 to November 20, 2021 (Week 46) Full Report (PDF)

Reporting period: November 7 to November 13, 2021 (Week 45) Full Report (PDF)

Reporting period: October 31 to November 6, 2021 (Week 44) Full Report (PDF)

Reporting period: October 24 to October 30, 2021 (Week 43) Full Report (PDF)

Reporting period: October 17 to October 23, 2021 (Week 42) Full Report (PDF)

Reporting period: October 10 to October 16, 2021 (Week 41) Full Report (PDF)

Reporting period: September 26 to October 9, 2021 (Weeks 39 to 40) Full Report (PDF)

Reporting period: August 29 to September 25, 2021 (Weeks 35 to 38) Full Report (PDF)

Reporting period: July 25 to August 28, 2021 (Weeks 30 to 34) Full Report (PDF)

Reporting period: June 20 to July 24, 2021 (Weeks 25 to 29) Full Report (PDF)

Reporting period: May 23 to June 19, 2021 (Weeks 21 to 24) Full Report (PDF)

Reporting period: April 25 to May 22, 2021 (Weeks 17 to 20) Full Report (PDF)

Reporting period: March 21 to April 24, 2021 (Weeks 12 to 16) Full Report (PDF)

Reporting period: March 7 to March 20, 2021 (Weeks 10 & 11) Full Report (PDF)

Reporting period: February 8 to March 6, 2021 (Week 9) Full Report (PDF)

Reporting period: February 21 to February 27, 2021 (Week 8) Full Report (PDF)

Reporting period: February 14 to February 20, 2021 (Week 7) Full Report (PDF)

Reporting period: February 7 to February 13, 2021 (Week 6) Full Report (PDF)

Reporting period: January 31 to February 6, 2021 (Week 5) Full Report (PDF)

Reporting period: January 24 to January 30, 2021 (Week 4) Full Report (PDF)

Reporting period: January 17 to January 23, 2021 (Week 3) Full Report (PDF)

Reporting period: January 10 to January 16, 2021 (Week 2) Full Report (PDF)

Reporting period: January 3 to January 9, 2021 (Week 1) Full Report (PDF)

Reporting period: December 13 2020 to January 2 2021 (Weeks 51 to 53) Full Report (PDF)

Reporting period: December 6 to December 12 2020 (Week 50) Full Report (PDF)

Reporting period: November 29 to December 5 2020 (Week 49) Full Report (PDF)

Reporting period: November 22 to November 28 2020 (Week 48) Full Report (PDF)

Reporting period: November 15 to November 21 2020 (Week 47) Full Report (PDF)

Week 46 Summary Full Report (PDF)

Week 45 Summary Full Report (PDF)

Reporting period: October 25 to October 31 2020 (Week 44) Full Report (PDF)

Reporting period: October 18 to October 24 2020 (Week 43) Full Report (PDF)

Reporting period: October 11 to October 17 2020 (Week 42) Full Report (PDF)

Reporting period: October 4 to October 10 2020 (Week 41) Full Report (PDF)

Reporting period: September 20 to October 3 2020 (Weeks 39-40) Full Report (PDF)

Reporting period: August 23 to September 19, 2020 (Weeks 35 to 38) Full Report (PDF)

Reporting period: July 19 to August 22, 2020 (Weeks 30 to 34) Full Report (PDF)

Reporting period: June 14 to July 18, 2020 (Weeks 25 to 29) Full Report (PDF)

Reporting period: May 3 to June 13, 2020 (Weeks 19 to 24) Full Report (PDF)

Reporting period: April 5 to May 2, 2020 (Weeks 15 to 18) Full Report (PDF)

Reporting period: March 29 to April 4, 2020 (Week 14) Full Report (PDF)

Reporting period: March 22 to March 28, 2020 (Week 13) Full Report (PDF)

Reporting period: March 15 to March 21, 2020 (Week 12) Full Report (PDF)

Reporting period: March 8 to March 14, 2020 (Week 11) Full Report (PDF)

Reporting period: March 1 to March 7, 2020 (Week 10) Full Report (PDF)

Reporting period: February 23 to February 29, 2020 (Week 9) Full Report (PDF)

Reporting period: February 16 to February 22, 2020 (Week 8) Full Report (PDF)

Reporting period: February 9 to February 15, 2020 (Week 7) Full Report (PDF)

Reporting period: February 2 to February 8, 2020 (Week 6) Full Report (PDF)

Reporting period: January 26 to February 1, 2020 (Week 5) Full Report (PDF)

Reporting period: January 19 to January 25, 2020 (Week 4) Full Report (PDF)

Reporting period: January 12 to January 18, 2020 (Week 3) Full Report (PDF)

Reporting period: January 5 to January 11, 2020 (Week 2) Full Report (PDF)

Reporting period: December 15, 2019 to January 4, 2020 (Weeks 51, 52 & 1) Full Report (PDF)

Reporting period: December 8 to December 14, 2019 (Week 50) Full Report (PDF)

Reporting period: December 1 to December 7, 2019 (Week 49) Full Report (PDF)

Reporting period: November 24 to November 30, 2019 (Week 48) Full Report (PDF)

Reporting period: November 17 to November 23, 2019 (Week 47) Full Report (PDF)

Reporting period: November 10 to November 16, 2019 (Week 46) Full Report (PDF)

Reporting period: November 3 to November 9, 2019 (Week 45) Full Report (PDF)

Reporting period: October 27 to November 2, 2019 (Week 44) Full Report (PDF)

Reporting period: October 20 to October 26, 2019 (Week 43) Full Report (PDF)

Reporting period: October 13 to October 19, 2019 (Week 42) Full Report (PDF)

Reporting period: October 6 to October 12, 2019 (Week 41) Full Report (PDF)

Reporting period: September 22 to October 5, 2019 (Weeks 39 & 40) Full Report (PDF)

Reporting period: September 8 to September 21, 2019 (Weeks 37 & 38) Full Report (PDF)

Reporting period: August 25 to September 7, 2019 (Weeks 35 & 36) Full Report (PDF)

Reporting period: July 21 to August 24, 2019 (Weeks 30-34) Full Report (PDF)

Reporting period: June 23 to July 20, 2019 (Weeks 26-29) Full Report (PDF)

Reporting period: June 2 to June 22, 2019 (Weeks 23-25) Full Report (PDF)

Reporting period: May 26 to June 1, 2019 (Week 22) Full Report (PDF)

Reporting period: May 19 to May 25, 2019 (Week 21) Full Report (PDF)

Reporting period: May 12 to May 18, 2019 (Week 20) Full Report (PDF)

Reporting period: May 5 to May 11, 2019 (Week 19) Full Report (PDF)

Reporting period: April 28 to May 4, 2019 (Week 18) Full Report (PDF)

Reporting period: April 21 to April 27, 2019 (Week 17) Full Report (PDF)

Reporting period: April 14 to April 20, 2019 (Week 16) Full Report (PDF)

Reporting period: April 7 to April 13, 2019 (Week 15) Full Report (PDF)

Reporting period: March 31 to April 6, 2019 (Week 14) Full Report (PDF)

Reporting period: March 24 to March 30, 2019 (Week 13) Full Report (PDF)

Reporting period: March 17 to March 23, 2019 (Week 12) Full Report (PDF)

Reporting period: March 10 to March 16, 2019 (Week 11) Full Report (PDF)

Reporting period: March 3 to March 9, 2019 (Week 10) Full Report (PDF)

Reporting period: February 24 to March 2, 2019 (Week 9) Full Report (PDF)

Reporting period: February 17 to February 23, 2019 (Week 8) Full Report (PDF)

Reporting period: February 10 to February 16, 2019 (Week 7) Full Report (PDF)

Reporting period: February 3 to February 9, 2019 (Week 6) Full Report (PDF)

Reporting period: January 27 to February 2, 2019 (Week 5) Full Report (PDF)

Reporting period: January 20 to January 26, 2019 (Week 4) Full Report (PDF)

Reporting period: January 13 to January 19, 2019 (Week 3) Full Report (PDF)

Reporting period: January 6 to January 12, 2019 (Week 2) Full Report (PDF)

Reporting period: December 30, 2018 to January 5, 2019 (Week 1) Full Report (PDF)

Reporting period: December 16 to December 29, 2018 (Weeks 51 & 52) Full Report (PDF)

Reporting period: December 9 to December 15, 2018 (Week 50) Full Report (PDF)

Reporting period: December 2 to December 8, 2018 (Week 49) Full Report (PDF)

Reporting period: November 25 to December 1, 2018 (Week 48) Full Report (PDF)

Reporting period: November 18 to November 24, 2018 (Week 47) Full Report (PDF)

Reporting period: November 11 to November 17, 2018 (Week 46) Full Report (PDF)

Reporting period: November 4 to November 10, 2018 (Week 45) Full Report (PDF)

Reporting period: October 28 to November 3, 2018 (Week 44) Full Report (PDF)

Reporting period: October 21 to October 27, 2018 (Week 43) Full Report (PDF)

Reporting period: October 14 to October 20, 2018 (Week 42) Full Report (PDF)

Reporting period: October 7 to October 13, 2018 (Week 41) Full Report (PDF)

Reporting period: September 23 to October 6, 2018 (Weeks 39 & 40) Full Report (PDF)

Reporting period: September 9 to September 22, 2018 (Weeks 37 & 38) Full Report (PDF)

Reporting period: August 26 to September 8, 2018 (Weeks 35 & 36) Full Report (PDF)

Reporting period: July 22, 2018 to August 25, 2018 (Weeks 30-34) Full Report (PDF)

Reporting period: June 17, 2018 to July 21, 2018 (Weeks 25-29) Full Report (PDF)

Reporting period: June 3, 2018 to June 16, 2018 (Weeks 23-24) Full Report (PDF)

Reporting period: May 27, 2018 to June 2, 2018 (Week 22) Full Report (PDF)

Reporting period: May 20, 2018 to May 26, 2018 (Week 21) Full Report (PDF)

Reporting period: May 13, 2018 to May 19, 2018 (Week 20) Full Report (PDF)

Reporting period: May 6, 2018 to May 12, 2018 (Week 19) Full Report (PDF)

Reporting period: April 29, 2018 to May 5, 2018 (Week 18) Full Report (PDF)

Reporting period: April 22, 2018 to April 28, 2018 (Week 17) Full Report (PDF)

Reporting period: April 15, 2018 to April 21, 2018 (Week 16) Full Report (PDF)

Reporting period: April 8, 2018 to April 14, 2018 (Week 15) Full Report (PDF)

Reporting period: April 1, 2018 to April 7, 2018 (Week 14) Full Report (PDF)

Reporting period: March 25, 2018 to March 31, 2018 (Week 13) Full Report (PDF)

Reporting period: March 18, 2018 to March 24, 2018 (Week 12) Full Report (PDF)

Reporting period: March 11, 2018 to March 17, 2018 (Week 11) Full Report (PDF)

Reporting period: March 4, 2018 to March 10, 2018 (Week 10) Full Report (PDF)

Reporting period: February 25, 2018 to March 3, 2018 (Week 9) Full Report (PDF)

Reporting period: February 18, 2018 to February 24, 2018 (Week 8) Full Report (PDF)

Reporting period: February 11, 2018 to February 17, 2018 (Week 7) Full Report (PDF)

Reporting period: February 4, 2018 to February 10, 2018 (Week 6) Full Report (PDF)

Reporting period: January 28, 2018 to February 3, 2018 (Week 5) Full Report (PDF)

Reporting period: January 21, 2018 to January 27, 2018 (Week 4) Full Report (PDF)

Reporting period: January 14, 2018 to January 20, 2018 (Week 3) Full Report (PDF)

Reporting period: January 7, 2018 to January 13, 2018 (Week 2) Full Report (PDF)

Reporting period: December 31, 2017 to January 6, 2018 (Week 1) Full Report (PDF)

Reporting period: December 17 to December 30, 2017 (Weeks 51-52) Full Report (PDF)

Reporting period: December 10 to December 16, 2017 (Week 50) Full Report (PDF)

Reporting period: December 3 to December 9, 2017 (Week 49) Full Report (PDF)

Reporting period: November 26 to December 2, 2017 (Week 48) Full Report (PDF)

Reporting period: November 19 to November 25, 2017 (Week 47) Full Report (PDF)

Reporting period: November 12 to November 18, 2017 (Week 46) Full Report (PDF)

Reporting period: November 5 to November 11, 2017 (Week 45) Full Report (PDF)

Reporting period: October 29 to November 4, 2017 (Week 44) Full Report (PDF)

Reporting period: October 22 to October 28, 2017 (Week 43) Full Report (PDF)

Reporting period: October 15 to October 21, 2017 (Week 42) Full Report (PDF)

Reporting period: October 8 to October 14, 2017 (Week 41) Full Report (PDF)

Reporting period: September 24 to October 7, 2017 (Weeks 39-40) Full Report (PDF)

Reporting period: September 10 to September 23, 2017 (Weeks 37-38) Full Report (PDF)

Reporting period: August 27 to September 9, 2017 (Weeks 35-36) Full Report (PDF)

Reporting period: August 20 to August 26, 2017 (Week 34) Full Report (PDF)

Reporting period: July 23 to August 19, 2017 (Weeks 30, 33) Full Report (PDF)

Reporting period: June 18 to July 22, 2017 (Weeks 25, 29) Full Report (PDF)

Reporting period: June 4 to June 17, 2017 (Weeks 23, 24) Full Report (PDF)

Reporting period: May 20 to June 3, 2017 (Weeks 21, 22) Full Report (PDF)

Reporting period: May 14 to May 20, 2017 (Week 20) Full Report (PDF)

Reporting period: May 7 to May 13, 2017 (Week 19) Full Report (PDF)

Reporting period: April 30 to May 6, 2017 (Week 18) Full Report (PDF)

Reporting period: April 23 to April 29, 2017 (Week 17) Full Report (PDF)

Reporting period: April 16 to April 22, 2017 (Week 16) Full Report (PDF)

Reporting period: April 9 to April 15, 2017 (Week 15) Full Report (PDF)

Reporting period: April 2 to April 8, 2017 (Week 14) Full Report (PDF)

Reporting period: March 26 to April 1, 2017 (Week 13) Full Report (PDF)

Reporting period: March 19 to March 25, 2017 (Week 12) Full Report (PDF)

Reporting period: March 12 to March 18, 2017 (Week 11) Full Report (PDF)

Reporting period: March 5 to March 11, 2017 (Week 10) Full Report (PDF)

Reporting period: February 26 to March 4, 2017 (Week 9) Full Report (PDF)

Reporting period: February 19 to February 25, 2017 (Week 8) Full Report (PDF)

Reporting period: February 12 to February 18, 2017 (Week 7) Full Report (PDF)

Reporting period: February 5 to February 11, 2017 (Week 6) Full Report (PDF)

Reporting period: January 29 to February 4, 2017 (Week 5) Full Report (PDF)

Reporting period: January 22 to January 28, 2017 (Week 4) Full Report (PDF)

Reporting period: January 15 to January 21, 2017 (Week 3) Full Report (PDF)

Reporting period: January 8 to January 14, 2017 (Week 2) Full Report (PDF)

Reporting period: January 1 to January 7, 2017 (Week 1) Full Report (PDF)

Reporting period: December 18 to December 31, 2016 (Weeks 51, 52) Full Report (PDF)

Reporting period: December 11 to December 17, 2016 (Week 50) Full Report (PDF)

Reporting period: December 4 to December 10, 2016 (Week 49) Full Report (PDF)

Reporting period: November 27 to December 3, 2016 (Week 48) Full Report (PDF)

Reporting period: November 20 to November 26, 2016 (Week 47) Full Report (PDF)

Reporting period: November 13 to November 19, 2016 (Week 46) Full Report (PDF)

Reporting period: November 6 to November 12, 2016 (Week 45) Full Report (PDF)

Reporting period: October 30 to November 5, 2016 (Week 44) Full Report (PDF)

Reporting period: October 23 to October 29, 2016 (Week 43) Full Report (PDF)

Reporting period: October 16 to October 22, 2016 (Week 42) Full Report (PDF)

Reporting period: October 9 to October 15, 2016 (Week 41) Full Report (PDF)

Reporting period: September 25 to October 8, 2016 (Weeks 39, 40) Full Report (PDF)

Reporting period: September 11 to September 24, 2016 (Weeks 37, 38) Full Report (PDF)

2022-2023

2021-2022

2019-2020

2018-2019

2017-2018

2016-2017