There are different types and subtypes of flu. We’ll take a look at influenza A vs. B in terms of prevalence, how contagious they are, what the vaccine covers, and severity and recovery. While ...

All four flu pandemics — in 1918, 1957 and 1968 and the swine flu pandemic of 2009 — were caused by Type A viruses. Influenza B viruses, however, only circulate in humans.

Influenza is a common respiratory virus that is categorized into four types: A, B, C and D. Type C only causes mild infections and type D is not believed to infect humans.

Covid-19 has killed an astounding 300,000 Americans, but don’t forget that influenza, also known as the flu, also typically kills tens of thousands of people in the U.S. each year. It’s ...

Because influenza viruses were not isolated and cultured until the 1930s, it was not possible to study the origin of the 1918 Spanish flu pandemic at the time of this virus's outbreak; indeed, the ...

1918-19 "Spanish flu" A -- Caused the highest known influenza-related mortality: almost 700,000 deaths occurred in the U.S., and between 50 million to 100 million worldwide 1957-58 "Asian flu" A ...

Flu viruses may be sloppy in assembling their genes. It’s possible that all three causes are in play, or that influenza’s incompetence has yet another source.

Stomach flu is typically due to a virus, but it can also be the result of bacteria. The condition is different from food poisoning and can cause abdominal pain, vomiting, and diarrhea. Influenza ...

As fears of a "tripledemic" die down, health officials say they are seeing an uptick of a particular strain of the flu: influenza B.According to data from the Centers for Disease Control and ...

Two types of influenza viruses are responsible for seasonal flu outbreaks: Influenza A and B. Influenza A accounts for around 75 percent of all cases and tends to cause more severe illness in adults.

Influenza is able to mask itself, so that the virus is not initially detected by our immune system, a new study shows. The researchers behind the study hope that the discovery can be used to ...

A new influenza virus that affects cattle has an official name. influenza D. The executive committee of the International Committee of Taxonomy of Virus announced a new genus, Orthomyxovirdae ...