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Swine Flu (H1N1 influenza A virus) Antiviral Treatment »

What is the swine flu (H1N1 influenza A virus) and what causes it?

The 2009 swine flu virus (otherwise known as H1N1 influenza) is caused by an H1N1 influenza A virus. H1N1 influenza viruses are the normal cause of influenza in humans and may also infect other animals, including pigs. This particular variant is an example of a virus that likely originated in swine and has mutated (changed its biological characteristics) so it is now affecting humans.

What are the symptoms of swine flu (H1N1 influenza A virus)?

Symptoms of swine flu vary widely and are similar to symptoms of seasonal flu. Infected individuals may experience

• fever,
• cough,
• sore throat,
• body aches,
• headache,
• chills, and
• fatigue.

Vomiting and diarrhea have been reported and severe cases may result in respiratory failure and even death.

How...

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