US flu activity is currently at low levels, as confirmed by the latest CDC flu
US flu activity has shown a notable decline over the past week, with the rates
US flu activity is showing a promising decline, as recent data indicates that rates of
US flu activity is currently experiencing a notable surge, with alarming trends reported by the
US flu activity has shown a slight decrease, yet it continues to be a pressing
US flu activity remains a significant public health concern as we move further into the
US flu activity has shown a noticeable decline over the past three weeks, yet its