Genetic heterogeneity of the Spy1336/R28-Spy1337 virulence axis in Streptococcus pyogenes and effect on gene transcript levels and pathogenesis.

Streptococcus pyogenes is a strict human pathogen responsible for more than 700 million infections annually worldwide.Strains of serotype M28 apac1/60/1/cw S.pyogenes are typically among the five more abundant types causing invasive infections and pharyngitis in adults and children.Type M28 strains also have an unusual propensity to cause puerperal

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The Role of Virtual Education in the Development of Cultural Diplomacy of the Islamic Republic of Iran; Case study of Al-Mustafa Virtual University

The IslamicRevolutionof Irantookplaceinclaimofanindependentanti-arrogant discoursewithIslamicrootsintheworldarena.Howeveraftermorethanfortyyearsof thisrevolutionthemainconceptand discourse of the system remained unknown to many parts of the world.The importance of information and communicationinthepresentageontheonehand,andtheadventoftheInternetand

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