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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 46 (24 November 2023)  

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels but is steadily increasing. Over the past four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 45 (17 November 2023)  

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels but continues to rise. Over the past four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 44 (10 November 2023)  

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels, albeit with a slight increase. During the last four epidemiological weeks (EWs), the predominant influenza viruses have been influenza ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 43 (3 November 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels, albeit with a slight increase. Over the last four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 42 (27 October 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023-10-27)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. Over the past four Epidemiological Weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 41 (20 October 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 40 (13 October 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (OPSUnited StatesWashington, D.C., 2023-10-13)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. Over the last four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 39 (6 October 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023-10-06)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. Over the past four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 38 (29 September 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation of influenza B/Victoria and to a lesser extent, influenza A(H3N2). Respiratory syncytial virus (RSV) activity ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 37 (22 September 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last four epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Updates, Influenza and Other Respiratory Viruses. Epidemiological Weeks 35 and 36 (15 September 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. Over the past 4 epidemiological weeks (EWs), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 34 (1 September 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. Over the past 4 epidemiological weeks (EW), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 33 (25 August 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 32 (18 August 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. Over the past 4 epidemiological weeks (EW), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 31 (11 August 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 30 (4 August 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023-08-4)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 29 (28 July 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been influenza A(H1N1)pdm09, with concurrent circulation ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 28 (21 July 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been B/Victoria, with a lesser circulation of influenza ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 27 (14 July 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been B/Victoria, with a lesser circulation of influenza ...
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  Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 26 (7 July 2023) 

  Pan American Health Organization; Health Emergencies (PHE) (PAHOUnited StatesWashington, D.C., 2023)

  [WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 epidemiological weeks (EW), the predominant influenza viruses have been B/Victoria, with a lesser circulation of influenza ...

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