Regional Update, Influenza. Epidemiological Week 23 (22 June 2022) 

ABSTRACT

[WEEKLY SUMMARY]. North America Influenza and SARS-CoV-2 activity remained at low levels. In Mexico, influenza positivity with influenza A(H3N2) viruses predominating increased, and SARS-CoV-2 positivity continues to increase. In the United States, influenza activity decreased overall, with influenza A(H3N2) viruses predominating and SARS-CoV-2 activity increasing. Caribbean Influenza activity remained at low levels with predominating influenza A(H3N2). SARI activity associated with SARS-CoV-2 activity increased slightly in Haiti. Central America Influenza and SARS-CoV-2 activity remained low but increased. In Guatemala, ILI activity was at high levels and associated with co-circulation of influenza, SARS-CoV-2, and RSV. In Nicaragua, influenza A(H3N2) activity continues to increase. Andean Influenza activity remained low with A(H3N2) predominance, and SARS-CoV-2 activity declined in most countries. In Bolivia, SARI activity continue elevated and is associated with the co-circulation of influenza, SARS-CoV-2, and RSV. Brazil and Southern Cone Influenza with A(H3N2) predominance remained low but continued to increase, and SARS‑ CoV-2 activity remained low but increased slightly. In Chile, influenza and RSV activity continues to increase. In Uruguay, SARI activity was at moderate levels and associated with increased detections of influenza A(H3N2).