virusli kasalliklar (gripp, qizamiq)
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1725877188.pptx virusli kasalliklar (gripp, qizamiq) gripp virusi oila â ortomiksovirus - orthomyxoviridae ðvlod â influenzievirus â inflyuentsvirus iii ta serotipi maê¼lum: 1) ð-tipi - 1933 yilda smit ajratib olgan 2) v-tipi â 1940 yilda frensis ajratib olgan 3) s-tipi- 1949 yilda teilor ajratib olgan gripp virusiga xarakteristika - influenza-sovuqning taê¼siri italiyada uzoq vaqtgacha shunday nomlangan - gripper-yuqtirmok, hujum-birinchi boê¼lib frantsuz vrachi brasse xiii asrda shu nomni qoê¼llagan - ðdabiyotda 126 ta pandemiya yozilgan - xx asrda faqat 3 ta pandemiya kuzatilgan: 1) 1918-1920 yilda - â«ispankaâ» - 500 mln kasallangan 20 mln oê¼lgan 2) 1957-1960 yilda - â«ðziatikaâ» - 2 mlrd kasallangan 50 mln oê¼lgan 3) 1968-1980 yilda - â«gonkongâ» - 1 mlrd kasallangan 30 m...
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