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Unlike most viruses, the shape of influenza viruses is highly variable; however, their surface is consistently covered with protein spikes .There are eight RNA segments which encode 10 proteins. Two of the proteins, heamagglutinin and neuraminidase, make up the surface spikes. These proteins are antigenic, and antibody to them is what protects humans from influenza. Haemagglutinin (H) is the protein by which the virus attaches to its host cell. At present, there are 15 immunologically and genetically distinct haemagglutinin subtypes. Neuraminidase (N) is an enzyme that plays a role in releasing virions from their host cell, promoting the spread of infection. Nine neuraminidase subtypes have been identified. Only three haemagglutinin and two neuraminidase subtypes are commonly associated with human infections.
What else can I help you with?
What is influenza bacterium or virus?
It is a type of bacteria that can cause pneumonia. Although the name sounds like influenza, it is unrelated to the flu, which is caused by viruses and not bacteria.
Is influenza caused by bacteria?
No, influenza is caused by viruses, specifically the influenza virus. Influenza viruses can infect the respiratory tract and lead to symptoms such as fever, cough, and body aches. Antibiotics, which are used to treat bacterial infections, are not effective against the influenza virus.
Influenza is unicellular or multicellular?
Influenza is not a cell, it is a respiratory disease caused by a type of viruses, called influenza viruses. Viruses are not cells, they are sub-microscopic organisms that are non-living and disease-causing in humans, animals, and plants as well as in some bacteria.
Did fungi cause the influenza?
No, fungi do not cause influenza. Influenza is a highly contagious respiratory illness caused by influenza viruses, not fungi. Fungi typically cause infections such as athlete's foot, yeast infections, or fungal pneumonia.
Do all viruses look alike?
No, viruses do not all look alike; they exhibit a wide variety of shapes and structures. Some viruses are spherical, like the influenza virus, while others are helical, such as the tobacco mosaic virus, or complex, like the bacteriophage. Their differences in size, shape, and composition reflect their diverse genetic material and modes of infection. Overall, the diversity in viral morphology is a key aspect of virology.
What has the author Edwin D Kilbourne written?
Edwin D. Kilbourne has written: 'The Influenza viruses and influenza' -- subject(s): Influenza, Influenza viruses 'Influenza' -- subject(s): Influenza, Influenza viruses, Orthomyxoviridae
What is the difference between the flu A and B viruses?
Influenza A and B viruses are both types of flu viruses that can cause similar symptoms like fever, cough, and body aches. The main difference between them is that influenza A viruses can infect both humans and animals, while influenza B viruses mainly infect humans. Additionally, influenza A viruses have different subtypes, such as H1N1 and H3N2, which can cause more severe outbreaks compared to influenza B viruses.
What are the differences between influenza A and influenza B viruses?
Influenza A and influenza B viruses are both types of the flu, but they have some key differences. Influenza A viruses can infect both humans and animals, while influenza B viruses mainly infect humans. Influenza A viruses are more likely to cause pandemics and have more subtypes, while influenza B viruses have fewer subtypes and typically cause milder illness.
What is influenza bacterium or virus?
It is a type of bacteria that can cause pneumonia. Although the name sounds like influenza, it is unrelated to the flu, which is caused by viruses and not bacteria.
Does fungi cause influenza?
Fungi do not cause influenza. Viruses Cause influenza.
Are viruses responsible for influenza?
Yes, viruses are responsible for influenza. That's why antibiotics don't help when you have the flu.
What type of virus is influenza?
Influenzavirus A, Group v virus, Orthomyxoviridae, an RNA virus. Specifically:Order: MononegaviralesFamily: OrthomyxoviridaeGenus/Genera: Influenzavirus ASpecies/Type: Influenza A virusSee the related questions for more details.Orthomyxovididae = influenza viruses
What shape is the rhinovirus?
Like all influenza viruses it has a roughly spherical shape.
What are the differences between Influenza A and Influenza B viruses in terms of symptoms, transmission, and severity?
Influenza A and Influenza B are both types of flu viruses that cause similar symptoms like fever, cough, and body aches. However, Influenza A is usually more severe and can lead to more serious complications compared to Influenza B. In terms of transmission, both viruses spread through respiratory droplets, but Influenza A is more common and can infect animals as well as humans.
Where is influenza not found?
Influenza viruses are everywhere and are found any place animals or people are. There is no specific place that is totally without influenza viruses in the environment in the wild.
What is the difference between Influenza A and Influenza B viruses?
Influenza A and Influenza B viruses are both types of flu viruses that can cause similar symptoms. However, they differ in their genetic makeup and the strains they can produce. Influenza A viruses are more common and can infect a wider range of animals, including humans, birds, and pigs. They are also known to cause more severe outbreaks and pandemics. In contrast, Influenza B viruses mainly infect humans and typically cause milder illness compared to Influenza A.
Who are the victims of Type A influenza?
Just about anyone who gets the flu. Most of the influenza viruses that cause disease in humans are Type A influenza viruses (but not all). Type A flu viruses are also what cause pandemics in humans.
