| immunization in mongolia: where are the people? | mongolia has about 3 times the land area of france, but less than 1% of france's population, 1 inhabitant per sq. km, and the lowest population density in the world. about half of the population is nomadic or semi-nomadic and lives in rural areas. this far-flung population over difficult terrain makes it difficult to find populations and provide children with the vaccinations they require. this inherent difficulty of carrying vaccines to the country's scattered mobile populations has been made e ... | 1993 | 12294218 |