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Influenza typically causes more severe illness than parainfluenza. While both can cause upper respiratory symptoms, influenza is more likely to result in high fever, body aches, and fatigue. Parainfluenza often produces milder, cold-like symptoms such as runny nose, cough, and low-grade fever. [35]
There are four different types of influenza virus: A, B, C, and D. Influenza C usually causes only mild illness while D mostly affects animals, especially cattle.
Influenza B viruses contribute to seasonal epidemics alongside influenza A viruses but have never been associated with a pandemic. [23] Influenza C virus, like influenza B virus, is primarily found in humans, though it has been detected in pigs, feral dogs, dromedary camels, cattle, and dogs.
Influenza B virus is almost exclusively a human pathogen, and is less common than influenza A. The only other animal known to be susceptible to influenza B infection is the seal. [47] This type of influenza mutates at a rate 2–3 times lower than type A [48] and consequently is less genetically diverse, with only one influenza B serotype. [26]
Flu. Also known as influenza, this condition causes hospitalizations and even deaths in kids each year. How is it transmitted? The flu is spread from person to person, mainly by droplets made when ...
Looking into influenza B specifically, Thomas Francis Jr. isolated influenza B virus in 1936. However, it was not until 1940 that influenza B viruses were discovered. [24] In 1942, a new bivalent vaccine was developed that protected against both the H1N1 strain of influenza A and the newly discovered influenza B virus. [25]
Polyvalent influenza vaccine is a type of influenza vaccine that provides immunity against more than one type of antigen. [1] In the second week after receiving the flu shot, the body's immune system is triggered by the antigens so the body starts producing antibodies.
Ah, January. The season of new beginnings, icy winds, and respiratory infections. With a “quad-demic” of diseases circulating the country—flu, COVID, respiratory syncytial virus (RSV), and ...
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