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Everything You Need To Know About Swine Flu (Part 2)

Are there medicines to treat swine flu?
Yes. CDC recommends the use of oseltamivir (Tamiflu) or zanamivir (Relenza) for the treatment and/or prevention of infection with swine influenza viruses. Antiviral drugs are prescription medicine (pills, liquid or an inhaler) that fights the flu by keeping viruses from reproducing in your body. If you get sick, antiviral drugs can make your illness milder and make you feel better faster. They may also prevent serious flu complications. For treatment, antiviral drugs work best if started soon after getting sick (within two days of symptoms).

Should I take Tamiflu as a precaution if I’m not sick yet?
No. “What are you going to do with it, use it when you get a sniffle?” asks Dr. Marc Siegel of New York University Langone Medical Center and author of “Bird Flu: Everything You Need to Know About the Next Pandemic.” Overusing antiviral drugs can help germs become resistant to them.

Tamiflu and Relenza will not work for colds, other types of flu, or other viral infections. These medicines may be used for other purposes.

Your health care provider needs to know if you have any of the following conditions: kidney disease; live in nursing home; lung or breathing disease, like asthma; serious medical condition; an unusual or allergic reaction to zanamivir, lactose, other medicines, foods, dyes, or preservatives; pregnant or trying to get pregnant; and breast-feeding.

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Everything You Need To Know About Swine Flu (Part 1)

With so much in the news about swine flu, it’s wise and imperative to now what it is, and how you can protect yourself and your loved ones to lessen your fear of swine flu.

What is swine flu?
Swine Influenza is a respiratory disease of pigs caused by type A influenza viruses. Outbreaks of swine flu happen regularly in pigs. People do not normally get swine flu, but human infections happen. Human cases of swine flu usually happen in people who are around pigs, but it’s also possible for swine viruses to spread from person to person. In fact, the World Organization for Animal Health (OIE) is recommending that the more appropriate name for the viral disease is “North-American influenza” since there has been no evidence of animal involvement.

How many swine flu viruses are there?
Like all influenza viruses, swine flu viruses change constantly. Pigs can be infected by avian influenza and human influenza viruses as well as swine influenza viruses. When influenza viruses from different species infect pigs, the viruses can reassort (i.e. swap genes) and new viruses that are a mix of swine, human and/or avian influenza viruses can emerge. Over the years, different variations of swine flu viruses have emerged. This time, there are four main influenza type A virus subtypes that have been isolated in pigs: H1N1, H1N2, H3N2, and H3N1. However, most of the recently isolated influenza viruses from pigs have been HIN1 viruses.

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