Disease Viruses Humans have known and feared diseases caused by virusesfor thousands of years. Among the diseases that virusescause (table 33.1) are influenza, smallpox, infectious hepati-tis, yellow fever, polio, rabies, and AIDS, as well as manyother diseases not as well known.isease Viruses Humans have known and feared diseases caused by virusesfor thousands of years. Among the diseases that virusescause (table 33.1) are influenza, smallpox, infectious hepati-tis, yellow fever, polio, rabies, and AIDS, as well as manyother diseases not as well known.
Turkey is the world's 37th-largest country in terms of area. The country is encircled by seas on three sides: the Aegean Sea to the west, the Black Sea to the north and the Mediterranean to the south. Turkey also contains the Sea of Marmara in the northwest.n 1927, when the first official census was recorded in the Republic of Turkey, the population was 13.6 million. The largest city in Turkey, Istanbul, is also the largest city in Europe in population, and the third-largest city in Europe in terms of size.
Turkey, officially the Republic of Turkey, is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe. Turkey is bordered by eight countries with Greece and Bulgaria to the northwest; Georgia to the northeast; Armenia, the Azerbaijani exclave of Nakhchivan and Iran to the east; and Iraq and Syria to the south. The country is encircled by seas on three sides with the Aegean Sea to the west, the Black Sea to the