What is the difference between the current H1N1 "swine flu" and H1N1 "spanish flu" of 1918?
Iח 1918 H1N1 Strain οf Influenza tһаt ɡοt tһе nickname "Spanish Flu" bесаυѕе іt wаѕ traced back tο a pig farm іח Spain, kіƖƖеԁ 50 million people, wһаt іѕ tһе ԁіffеrеחсе between tһаt Strain οf Influenza аחԁ tһе current pandemic wе аrе facing now?
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They are different. Here is the answer to this question by Dr. Sanja Gupta at CNN
Q: The swine flu has been labeled as H1N1. The strain that killed
millions of people in 1918 was also labeled H1N1; is it the same virus?
CNN: It is not the same virus. The current strain is a new variation of an H1N1 virus, which is a mix of human and animal versions. H1 refers to type of hemagglutinin, which is involved in the virus gaining entry into a target cell. N1 refers to neuraminidase, an enzyme that allows the release of copies of the virus from infected cells. A new variation can be created when an animal is infected with two or more different viruses at the same time. The viruses can exchange genes. This can be particularly dangerous because people may not have any immune defense against it.
You may have heard to this swine flu virus refered to as “Type A.” There are three general types of influenza, Type A, Type B and Type C. Type A occurs in many species and historically has been the sole cause of pandemics.