strand b flu symptoms 2019

  • 4 min read
  • Des 10, 2019

Overview of Influenza A and B
Overview of Influenza A and B

Certain types usually do not appear until spring.

The US is only about three months to the 2019-2020 flu season, and the disease has left a trail-but it’s a little different this year.

According to, since October 2019 to 9.7 million flu illnesses, 87,000 hospitalizations, and 4,800 deaths from flu have been reported. These figures are relatively consistent with last year, but there is one major difference between this flu season and the most in history: There is an increasing number of cases involving influenza B-so much so dominate the flu season for the first time in nearly 30 years.

Typically, the majority of flu cases reported whopping cases are influenza A. However, this season, influenza B is spreading like wildfire-even report that this is the first time the US has seen it dominate the flu season since the flu season 1992-1993, with 21 of the 32 deaths of children during the current season becomes for influenza B ,.

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It’s important to remember that there are actually four types of influenza viruses: A, B, C, and D. Flu virus A and B, however, is the only one thought to cause epidemics every winter seasonal flu (influenza C is usually mild and flu D affects cattle), according to the CDC.

Going a little deeper, influenza A and B viruses each divided into different subtypes. Influenza A viruses are the most difficult: they are divided into subtypes based on two specific proteins, hemagglutinin (H) and neuraminidase (N) -ultimately, influenza A virus can be broken down into 198 different combinations of subtypes, per the CDC. influenza B viruses, however, are classified into two lineages. B / Yamagata and B / Victoria

A big difference between influenza B and influenza A is that influenza B usually occur after influenza A, hit later in the season around spring.

But as far as symptoms go, influenza A and B are quite similar. “There are more similarities than there are differences between influenza A and influenza B,” a Yale Medicine, an infectious disease expert, told Health. While they can be differentiated in the laboratory, from a clinical perspective, they can cause typical influenza essentially the same, we usually think about.

According to the CDC, influenza B is similar to other types, including fatigue, cough, fever (or chills), sore throat, runny nose, muscle aches, headaches, and digestive problems.

Another major difference between influenza A and B? While influenza B virus is usually less common than influenza A virus, influenza B infection can be more severe in children, and can lead to complications that require hospitalization or death

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think, the best way to prevent flu-both influenza A and B-is to get a flu vaccine. And no, it was not too late in the season.

“The CDC recommends that everyone 6 months and older get a seasonal flu vaccine every year in late October,” they wrote. “However, as long as influenza viruses are circulating, vaccination should continue throughout the flu season, even in January or later. “

in addition, Dr. Martinello suggest doing their best to avoid people who may be sick with the flu, and wash your hands frequently. Also, if you are sick or your child is infected, be sure to avoid exposing others to the disease.

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