Five ways to protect yourself from swine flu

Published: May, 2009

You can protect yourself from the deadly swine flu virus by understanding how it spreads and blocking its access to your respiratory tract, say Harvard Medical School influenza experts. The influenza virus is extremely contagious and no vaccine is yet available for the new strain of swine influenza now emerging.

Swine flu and other types of influenza that jump from animals to humans are particularly dangerous because humans haven't had the chance to build immunity against them. The United States government declared a public health emergency as a result of an increasing number of cases of swine flu that is spreading in the United States and around the globe.

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