Myth of the fat dodo. The birdâs obesity, slowness and lack of intelligence are commonly given as reasons for its alleged evolutionary inferiority. Dodoes were for years considered not just large, but grossly overweightâto the point that they not only couldnât fly, but could hardly run from their enemies.
The HPV strains that Gardasil protects against are sexually transmitted. The vaccine was approved in the US on June 8, 2006 by the U.S. Food and Drug Administration (FDA). In 2008, Gardasil was approved in 41 of U.S. states. The Gardasil vaccine has also been approved in 120 other countries.
Note the bifurcated needle. Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox.