the recognition of seasonal patterns in infectious disease occurrence dates back at least as far as the hippocratic era, but the mechanisms underlying these fluctuations remain poorly understood. many classes of mechanistic hypotheses have been proposed to explain seasonality of various directly transmitted diseases, including at least the following; human activity, seasonal variability in huma...

new criticism focuses on rigorous analysis of poetry and literature, irrespective of peripheral issues. its fundamental tenet is the autonomy of literary texts. therefore, new criticism shuns dealing with such peripheral issues as authors’ biography, social, political and historical events; since this approach considers all these issues as non-artistic. in principle, the followers of new critic...

protein secretory systems are found in all living organisms including gram negative bacteria, and eukaryotic cell’s organelles that are derived from these bacteria. unlike all other living organisms, gram negative bacteria have different protein secretory systems. at least there are four different independent secretory systems, which are responsible to transport the secreted proteins to the mil...