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- Influenza Situation Report: Regional Updates
Influenza Situation Report: Regional Updates
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Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 20 (26 May 2023)
(Washington, D.C., PAHO, 2023-05-31)[WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 EW, the predominant influenza viruses have been B/Victoria, with also circulation of influenza A (mostly A(H1N1)pdm09) at ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 19 (19 May 2023)
(Washington, D.C., PAHO, 2023-05-26)[WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 EW, the predominant influenza viruses have been B/Victoria, with also circulation of influenza A (mostly A(H1N1)pdm09) at ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 18 (12 May 2023)
(Washington, D.C., PAHO, 2023-05-19)[WEEKLY SUMMARY]. North America: Influenza activity has remained at low levels. During the last 4 EW, the predominant influenza viruses have been B/Victoria, with also circulation of influenza A (mostly A(H1N1)pdm09) at ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 17 (5 May 2023)
(Washington, D.C., PAHO, 2023-05-05)[WEEKLY SUMMARY]. North America: Influenza activity has shown a slight increase while remaining at low levels. During the last 4 EW, the predominant influenza viruses have been B (Victoria), with less circulation of ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 15 (21 April 2023)
(Washington, D.C., OPS, 2023-04-28)[WEEKLY SUMMARY]. North America: Influenza activity has been on the rise, with Mexico reporting an increase in activity. Influenza B (Victoria lineage in cases where it has been determined) and influenza A (H1N1)pdm09 ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 14 (14 April 2023)
(Washington, D.C., PAHO, 2023-04-14)[WEEKLY SUMMARY]. North America: Influenza virus activity decreased overall, with the predominance of influenza B viruses. All seasonal influenza subtypes were detected. SARS-CoV-2 circulated at moderate levels, and RSV ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 13 (7 April 2023)
(Washington, D.C., PAHO, 2023-04-07)[WEEKLY SUMMARY] North America: Influenza virus activity was low in the sub-region, with the predominance of influenza B viruses and all seasonal influenza subtypes detected. SARS-CoV-2 activity was at moderate levels, ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 12 (31 March 2023)
(Washington, D.C., PAHO, 2023-04-06)[WEEKLY SUMMARY]. North America: Influenza virus activity decreased throughout the sub-region, with the predominance of influenza B viruses. All seasonal influenza subtypes were detected. SARS-CoV-2 circulates at moderate ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 11 (24 March 2023)
(Washington, D.C., PAHO, 2023-03-31)[WEEKLY SUMMARY]. North America: Influenza virus activity was low overall, with the predominance of influenza A viruses. The influenza A(H1N1)pdm09 virus predominated among subtyped samples, with co-circulation of A(H3N2) ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 10 (17 March 2023)
(Washington, D.C., PAHO, 2023-03-17)[WEEKLY SUMMARY]. North America: Influenza virus activity decreased throughout the sub-region, with the predominance of influenza A(H1N1)pdm09. Influenza A(H3N2)pdm09 and B/Victoria co-circulated. SARS-CoV-2 circulates ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 9 (10 March 2023)
(Washington, D.C., PAHO, 2023-03-10)[WEEKLY SUMMARY]. North America: Influenza virus activity decreased throughout the sub-region, with the predominance of influenza A(H3N2)pdm09. Influenza A(H1N1)pdm09 and B/Victoria co-circulated. SARS-CoV-2 circulates ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 8 (3 March 2023)
(Washington, D.C., PAHO, 2023-03-09)[WEEKLY SUMMARY]. North America: Influenza activity was low in the subregion. Influenza A(H3N2)pdm09 predominated, with the co-circulation of A(H1N1)pdm09 and B/Victoria. SARS-CoV-2 circulates at moderate levels and RSV ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 7 (24 February 2023)
(Washington, D.C., PAHO, 2023-03-02)[WEEKLY SUMMARY]. North America: Influenza activity was low in the subregion. Influenza A virus predominated, with co-circulating A(H3N2) and A(H1N1)pdm09. All influenza B viruses with determined lineage were B/Victoria. ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 6 (17 February 2023)
(Washington, D.C., PAHO, 2023-02-23)[WEEKLY SUMMARY]. North America: Influenza activity was low overall in the subregion. Influenza A(H1N1)pdm09 continued predominating with the co-circulation of A(H3N2) and B/Victoria. The SARS-CoV-2 and RSV activity ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 5 (10 February 2023)
(Washington, D.C., PAHO, 2023-02-16)[WEEKLY SUMMARY]. North America: Influenza activity was low overall in the subregion. Influenza A(H3N2) continued predominating with the co-circulation of A(H1N1)pdm09 and B/Victoria. The SARS-CoV-2 activity increased, ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 4 (3 February 2023)
(Washington, D.C., PAHO, 2023-02-09)[WEEKLY SUMMARY]. North America: Influenza activity was low overall in the subregion. Influenza A(H3N2) continued predominating with the co-circulation of A(H1N1)pdm09 and B/Victoria. The SARS-CoV-2 activity increased, ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 3 (27 January 2023)
(Washington, D.C., PAHO, 2023-02-02)[WEEKLY SUMMARY]. North America: Influenza activity declined in the subregion. Influenza A(H3N2) predominated with the co-circulation of A(H1N1)pdm09 and B/Victoria (where subtyping and lineage were determined). The ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 2 (20 January 2023)
(Washington, D.C., PAHO, 2023-01-27)[WEEKLY SUMMARY]. North America: Influenza activity was low and continues to decline in the subregion. Influenza A(H3N2) predominated with the co-circulation of A(H1N1)pdm09 and B/Victoria. The SARS-CoV-2 activity was ... -
Regional Update, Influenza and Other Respiratory Viruses. Epidemiological Week 1 (6 January 2023)
(Washington, D.C., PAHO, 2023-01-20)[WEEKLY SUMMARY]. North America: Influenza activity was moderate and declining in the subregion, with the predominance of influenza A(H3N2) and co-circulation of A(H1N1)pdm09 and B/Victoria. The SARS-CoV-2 activity has ... -
Regional Update, Influenza. Epidemiological Week 52 (30 December 2022)
(Washington, D.C., PAHO, 2023-01-11)[WEEKLY SUMMARY]. North America: Influenza activity was moderate, although decreasing in the subregion, with the predominance of influenza A(H3N2) and co-circulation of A(H1N1)pdm09 and B/Victoria. The SARS-CoV-2 activity ...