Influenza H1N1, Respiratory Syncytial Virus, Respiratory Illness, Influenza — El Salvador
Summary
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Influenza activity in the northern hemisphere continued to decrease with a predominance of influenza B virus reported. In temperate countries in the southern hemisphere, influenza activity started to increase slightly in South America and South Africa, but remained low overall in most of Oceania.
– In North America, influenza activity continued to decrease while the proportion of influenza B virus detections increased compared to previous reporting periods.
– Influenza
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