Editor's Note: The fourth paragraph was revised on Jan 2 to clarify the current situation regarding H3N2 dominance.
(CIDRAP News) – US influenza activity continued its ascent last week, judging from the high volumes of patients seeking care for the disease at doctors' offices, while flu indicators in Europe showed a clear spike, according to the latest surveillance reports.
(CIDRAP News) – Flu activity in the Northern Hemisphere continued to climb last week, led by a vigorous pace of infections in the United States and Canada in the lead-up to the Christmas holiday season, the World Health Organization (WHO) said today.
(CIDRAP News) – Increased surveillance in recent years has begun to fill in some of the huge information gaps regarding influenza in Africa, which should eventually make it possible to develop or improve public health interventions, according to a big collection of articles published recently in the Journal of Infectious Diseases (JID).
(CIDRAP News) – Influenza activity continued its early-season upward trend in the United States last week, while the flu season showed some signs of getting under way in Europe. In addition, US investigators found another case of swine-origin H3N2 flu, this one in a Minnesotan who has recovered.
(CIDRAP News) – Influenza C generally isn't thought to be a cause clinically significant disease, but a study in Italian children who were seen in the emergency department for pneumonia found the virus in five children, with a disease severity that resembled influenza A.
(CIDRAP News) – Influenza is widespread in eight US states, and some other indicators of an early flu season continue to rise, the Centers for Disease Control and Prevention (CDC) said today.
The percentage of patients' respiratory samples testing positive for flu grew to 20.7% in the week ending Dec 1, up from 15.2% the week before. And, as before, the H3N2 strain continues to dominate, which can be a sign of a more severe flu season.