Considering the increase of respiratory viruses activity at pre-pandemic levels, and associated hospitalizations predominantly among children under 2 years old age, in the Andean sub region and Southern cone, the Pan American Health Organization / World Health Organization (PAHO/WHO) recommends Member States to strengthen and integrate surveillance for influenza, respiratory syncytial virus (RSV) and SARS-CoV-2 and to adopt the necessary measures for prevention and control of severe outcomes, including the ensuring of high vaccination coverage in at high-risk groups, appropriate clinical management, suitable organization of health care services, strict compliance with infection prevention control measures, adequate supplies of antivirals, and timely treatment of associated complications.

Situation summary

Following is a summary of the influenza situation by sub-regions in the Region of the Americas. The status of the Southern subregion, which presents an earlier increase in seasonal influenza and increase RSV activity, is reported first, followed by the Andean and Central America subregions, where influenza activity has remained at low levels and RSV increased. Country information is summarized in alphabetical order after the subregional overview. The situation for the other subregions with expected activity is then presented in alphabetical order. More detailed information on influenza and other respiratory viruses can be obtained from the PAHO/WHO Regional Influenza Update, published weekly on the PAHO/WHO website at:

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