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  • Regional Update, Influenza. Epidemiological Week 17 (10 May 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-05-11)
    [WEEKLY SUMMARY]. North America: Overall, influenza and SARS-CoV-2 activity remained at low levels. In Canada, influenza activity increased above the average of previous seasons for this period at low intensity levels, and ...
  • Regional Update, Influenza. Epidemiological Week 16 (3 May 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-05-05)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels, SARS-CoV-2 activity continued to decline, and percent positivity for SARS-Cov2 remained at low levels. In Canada, influenza activity and ...
  • Regional Update, Influenza. Epidemiological Week 15 (26 April 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-04-27)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels, SARS-CoV-2 activity declined, and percent positivity for SARS-Cov2 remained at low levels. In Canada, influenza activity remained low, ...
  • Regional Update, Influenza. Epidemiological Week 14 (19 April 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHOOPS, 2022-04-21)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels. SARS-CoV-2 activity continued to decline, and SARS-CoV-2 percent positivity remained at low levels. In Canada, influenza activity continued ...
  • Regional Update, Influenza. Epidemiological Week 13 (12 April 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHOOPS, 2022-04-13)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels; however, activity continued to increase in the United States. SARS-CoV-2 activity continued to decline overall and SARS-CoV-2 percent ...
  • Regional Update, Influenza. Epidemiological Week 12 (5 April 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHOOPS, 2022-04-06)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels; however, activity continued to increase in the United States. SARS-CoV-2 activity continued to decline overall. In Canada, influenza ...
  • Regional Update, Influenza. Epidemiological Week 11 (29 March 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-03-30)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels and SARS-CoV-2 activity continued to decline. Canadahad reduced activity for influenza at this time of year with influenza A (subtyping ...
  • Regional Update, Influenza. Epidemiological Week 10 (23 March 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-03-24)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels, and SARS-CoV-2 activity continued to decline. In Canada, influenza A (subtype undetermined) and influenza/B viruses co-circulated. The ...
  • Regional Update, Influenza. Epidemiological Week 9 (16 March 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-03-16)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels with the predominance of influenza A (subtyping not performed), and SARS-CoV-2 activity continues to decrease. In Canada, influenza A ...
  • Regional Update, Influenza. Epidemiological Week 8 (8 March 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-03-09)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels with the predominance of influenza A (subtyping not performed), and SARS-CoV-2 activity continues to decrease. In Canada, influenza A ...
  • Regional Update, Influenza. Epidemiological Week 7 (1 March 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-03-02)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels and SARS-CoV-2 activity decreased. In Canada, influenza A and B virus co-circulated and SARS-CoV-2 activity declined. In Mexico, influenza ...
  • Regional Update, Influenza. Epidemiological Week 6 (23 February 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-02-24)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity decreased and remained at low levels and SARS-CoV-2 activity decreased. In Canada, influenza A and B virus co-circulated and SARS-CoV-2 activity declined. In ...
  • Regional Update, Influenza. Epidemiological Week 5 (16 February 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-02-16)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity decreased and remained at low levels and SARS-CoV-2 activity slightly decreased. In Canada, influenza A and B virus co-circulated and SARS-CoV-2 activity declined. ...
  • Regional Update, Influenza. Epidemiological Week 4 (8 February 2022) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-02-08)
    [WEEKLY SUMMARY]. With the recent increase of influenza circulation in conjunction with SARS-CoV-2, countries are encouraged to enhance integrated surveillance to monitor transmissibility and severity of both viruses ...
  • Regional Update, Influenza. Epidemiological Week 3 (1 February 2022)   

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-02-01)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained at low levels while SARS-CoV-2 activity increased. In Canada, influenza A and B virus co-circulated and SARS-CoV-2 activity slightly decreased. In Mexico, ...
  • Regional Update, Influenza. Epidemiological Week 2 (25 January 2022)   

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-01-25)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained low but increasing while SARS-CoV-2 activity increased. In Canada, influenza A and B virus co-circulated with influenza A(H3N2) and A(H1N1)pdm09; ...
  • Regional Update, Influenza. Epidemiological Week 1 (19 January 2022)   

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-01-19)
    [WEEKLY SUMMARY] North America: Overall, influenza activity remained low but increasing, while SARS-CoV-2 activity increased. In Canada, influenza A and B virus co-circulated with influenza A(H3N2) and A(H1N1)pdm09; ...
  • Regional Update, Influenza. Epidemiological Weeks 51-52 (11 January 2022)  

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2022-01-11)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained low but increasing. In Canada, influenza A and B virus co-circulated with influenza A(H3N2) and A(H1N1)pdm09 among samples where subtyping was performed; ...
  • Regional Update, Influenza. Epidemiological Week 50 (28 December 2021) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2021-12-28)
    [WEEKLY SUMMARY]. North America: Overall, influenza activity remained low but increasing. In Canada, influenza A and B virus co-circulated with influenza A(H3N2) and A(H1N1)pdm09 among samples where subtyping was performed; ...
  • Regional Update, Influenza. Epidemiological Week 49 (21 December 2021) 

    Pan American Health Organization; Health Emergencies (PHE) (Washington, D.C., PAHO, 2021-12-21)
    [WEEKLY SUMMARY] North America: Overall, influenza activity remained low but continues to increase. In Canada, influenza A(H3N2) predominated and co-circulated with influenza B. SARS-CoV-2 activity remained stable. In ...

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