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Doctor insights on: What Is Influenza A Virus

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What group of influenza viruses has caused the pandemics?

What group of influenza viruses has caused the pandemics?

Influenza A viruses: 1918 - Spanish Flu pandemic was a classic example. ...Read more

Dr. Thomas Fiala
2 doctors shared insights

Influenza (Definition)

Influenza is a viral respiratory infection that causes cough, fever, chills, sore throat, muscle aches and headache. While most healthy people suffer few complications from the flu, it can be deadly for pregnant women, babies and children, the elderly and those with weak immune systems. That's why it's so important to get the flu shot to protect yourself ...Read more


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What is the influenza type of virus?

What is the influenza type of virus?

Orthomyxoviridae: Influenza family of viruses (3 major ones- a, b, c) belong in the orthomyxoviridae family of single-stranded, segmented RNA viruses. Influenza a infects humans, birds, and certain mammals. It causes all flu pandemics. Influenza b virus is less common than influenza a, though it can infect seals. Influenza c virus infects humans and pigs, but is much less common, causing milder disease. ...Read more

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What is the human para-influenza virus?

What is the human para-influenza virus?

CDC says....: Here's a good article to address your question: http://www.cdc.gov/parainfluenza/ ...Read more

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How does the influenza a virus subtype h5n1 spread to humans?

Contact with : Infected birds or pigs. H5n1, also called bird flu spreads to human through close contact with infected birds or other animals. Human to human spread is rare. ...Read more

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Ok so I have the influenza B virus had flu shot so has my 5 year old so if she did contract it would symptoms be milder?

Ok so I have the influenza B virus had flu shot so has my 5 year old so if she did contract it would symptoms be milder?

MAYBE: Every year a number of flu strains circle the globe and various sites keep track and report their activity. Vaccine makers pick 3-4 strains in early spring to put in the fall shot, based on those with the most activity.Too many strains would weaken the individual strength against each strain.With luck, the vaccine will boost general flu immunity enough to make it mild for those who get it anyway ...Read more

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Will the influenza virus mix with the avian flu this winter? How soon will the doctors know? September?

Will the influenza virus mix with the avian flu this winter?  How soon will the doctors know?  September?

Defunct disease: Avian flu peaked many years ago and disappeared almost as quickly as it surfaced. While another similar strain may emerge, that one is gone.The vaccine for the coming season will contain representative strains now present in active circulation. ...Read more

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There are over 200 strains of the influenza virus. How many of those does the flu shot prevent?

There are over 200 strains of the influenza virus. How many of those does the flu shot prevent?

2014 – 2015 Flu Shot: Trivalent works against 3 influenza viruses – Influenza A viruses (H3N2 & H1N1) & 1 influenza B virus. Quadrivalent & the live attenuated Influenza vaccine work against these & a second influenza B virus. ...Read more

Dr. Heidi Fowler
1,882 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more


Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more