The Canadian Arctic - Especially Nunavut. There are several islands in the region which are larger than some states in the United States. One of them (Devon Island) at 21k square miles, is the largest uninhabited island in the world. The Guiana Highlands/Shield (South America) - Some the most remote and mountainous rain forest on Earth.
Oral polio vaccine (OPV). The oral polio vaccine (OPV) was developed in 1961 by Albert Sabin. Also called âtrivalent oral polio vaccineâ or âSabin vaccineâ, OPV consists of a mixture of live, attenuated (weakened) poliovirus strains of all three poliovirus types.The oral polio vaccine is simple to administer. A few drops, given multiple times, can protect a child for life.ral polio vaccine (OPV). The oral polio vaccine (OPV) was developed in 1961 by Albert Sabin. Also called âtrivalent oral polio vaccineâ or âSabin vaccineâ, OPV consists of a mixture of live, attenuated (weakened) poliovirus strains of all three poliovirus types.
Most people infected with the polio virus have no symptoms; however, for the less than 1% who develop paralysis it may result in permanent disability and even death. There are two types of vaccine that protect against polio: inactivated poliovirus vaccine (IPV) and oral poliovirus vaccine (OPV).IPV is given as an injection in the leg or arm, depending on the patient's age. Polio vaccine may be given at the same time as other vaccines.Most people should get polio vaccine when they are children. Children get 4 doses of IPV at these ages: 2 months, 4 months, 6-18 months, and a booster dose at 4-6 years.OPV has not been used in the United States since 2000 but is still used in many parts of the world.ost people infected with the polio virus have no symptoms; however, for the less than 1% who develop paralysis it may result in permanent disability and even death. There are two types of vaccine that protect against polio: inactivated poliovirus vaccine (IPV) and oral poliovirus vaccine (OPV).