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 children get four doses of polio vaccine on this schedule: First dose when they are 2 months old. Second dose when they are 4 months old. Third dose when they are 6 to 18 months old.Last dose when they are 4 to 6 years old. Polio vaccine can be given as all shots (IPV), all drops (OPV), or a combination of both. vaccine is a medicine you take to keep you from getting a disease. The polio vaccine comes in two forms. Inactivated polio vaccine (called IPV) is given by injection (a âshotâ). Oral polio vaccine (called OPV) is given by drops in the mouth.