The new strain of influenza involved in the 2009 swine flu outbreak strain is a reassortment of several strains of influenza A virus subtype H1N1 that are, separately, endemic in humans and in swine. Preliminary genetic characterization found that the hemagglutinin (HA) gene was similar to that of swine flu viruses present in U.S. pigs since 1999, but the neuraminidase (NA) and matrix protein (M) genes resembled versions present in European swine flu isolates. Viruses with this genetic makeup had not previously been found to be circulating in humans or pigs, but there is no formal national surveillance system to determine what viruses are circulating in pigs in the U.S.

The origins of this new strain remain unknown. One theory is that Asian and European strains traveled to Mexico in migratory birds or in people, then combined with North American strains in Mexican pig factory farms before jumping over to farm workers. It is recoomended to buy Tamiflu for this virus .The earliest known human influenza A virus subtype H1N1 case was at a Mexican pig farm whose nearby neighbors had been complaining about the manure smell and flies.

The Mexican health agency acknowledged that the original disease vector of the virus may have been flies multiplying in manure lagoons of pig farms near Perote, Veracruz, owned by Granjas Carroll.Dr. Anne Schuchat, interim Deputy Director for CDC Science and Public Health, said that the American cases were found to be made up of genetic elements from four different flu viruses – North American swine influenza, North American avian influenza, human influenza, and swine influenza virus typically found in Asia and Europe – "an unusually mongrelised mix of genetic sequences.Pigs have been shown to act as a potential "mixing vessel" in which reassortment can occur between flu viruses of several species.But the cure is here you can buy Tamiflu Medication for Swine Virus at rxonlinetoday.com .Act now

Medication	Quantity	Price	Consult	Order Now
Tamiflu 75 Mg	10 pills	$200.00	Free
Tamiflu 75 Mg	20 pills	$327.59	Free
Tamiflu 75 Mg	30 pills	$418.08	Free

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