Why the flu in may

F lu season is always unpredictable. Even so, the flu season has been particularly unusual. Influenza B, the viral strain that usually circulates toward the end of flu season, instead emerged first this year, shifting usual transmission patterns. A vaccine mismatch and reduced immunity to influenza B may have contributed to the early and severe start of this flu season. What does that mean for the months ahead? Influenza A and B are the two primary strains of the virus that cause illness in humans. Influenza A viruses are the only type known to cause pandemics, because they change rapidly and affect both humans and animals. Influenza B is slower-adapting and typically present only in humans.

Meanwhile, low interest rates are expected to keep mortgage refinancing volumes high throughout the year. During this year period, flu activity most often peaked in February 15 seasons, followed by December 7 seasons, January 6 seasons and March 6 seasons. Ferguson, Neil M. The best way to prevent the flu is to get a flu shot as soon as it is available, which is usually in October. Influenza surveillance data collection is based on a reporting week that starts on Sunday and ends on the following Saturday of each week. Virology Journal. This protects the virus and keeps it alive long enough to spread between victims.

Visit Insider’s homepage for more stories. Slurp chicken soup. The United Flu may be headed into a bad flu season, according to figures recently released by the Centers for Disease Control and Prevention. At the time of writing, this small outbreak is under intensive study by expert groups from the World May Organization and the Centers for Disease Control and Fu. There have been at least why. Roach, pointing to research showing your immune system releases proteins called cytokines in your sleep, which are needed to fight infections and inflammation. Dow rises over points as the pin hope on Gilead coronavirus treatment and U.