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.
1 Immunization. 2  The inactivated polio vaccine (IPV) used today in the United States stimulates the immune system to produce antibodies that fight the polio virus if a person comes in contact with it. 3  Dr. Jonas Salk developed the first IPV in 1955, and an enhanced-potency version came about in 1988. Other parts of the world use an oral polio vaccine (OPV) that was first developed by Dr. Albert Sabin in 1961. 2  OPV is based on a live, but weakened, form of the virus.