Influenza, Respiratory Syncytial Virus, Respiratory Illness — El Salvador
Summary
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Influenza activity in the temperate zone of the northern hemisphere continued to decrease to inter-seasonal levels. In temperate countries in the southern hemisphere, influenza activity started to increase in South America and South Africa, but remained low overall in most of Oceania.
– In North America, influenza activity continued to decrease with influenza B virus accounting for the majority of influenza detections. Influenza-like illness (ILI) levels were below
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