Influenza Situation Report: Regional Updates

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 ...