Because of widespread distribution of the influenza A (H1N1) 2009 monovalent vaccine (pH1N1 vaccine) and the prior association between Guillain-Barré syndrome (GBS) and the 1976 H1N1 influenza vaccine, enhanced surveillance was implemented to estimate the magnitude of any increased GBS risk following administration of pH1N1 vaccine. The authors conducted active, population-based surveillance for incident cases of GBS among 45 million persons residing at 10 Emerging Infections Program sites during October 2009-May 2010; GBS was defined according to published criteria. The authors determined medical and vaccine history for GBS cases through medical record review and patient interviews. The authors used vaccine coverage data to estimate person-time exposed and unexposed to pH1N1 vaccine and calculated age- and sex-adjusted rate ratios comparing GBS incidence in these groups, as well as age- and sex-adjusted numbers of excess GBS cases. The authors received 411 reports of confirmed or probable GBS. The rate of GBS immediately following pH1N1 vaccination was 57% higher than in person-time unexposed to vaccine (adjusted rate ratio = 1.57, 95% confidence interval: 1.02, 2.21), corresponding to 0.74 excess GBS cases per million pH1N1 vaccine doses (95% confidence interval: 0.04, 1.56). This excess risk was much smaller than that observed during the 1976 vaccine campaign and was comparable to some previous seasonal influenza vaccine risk assessments.
In recent years classicists and ancient historians have devoted renewed attention to the Archaic Age in Greece, the period from approximately the eighth century to the fifth century BC. Important articles, excavation reports and monographs, as well as books by Moses Finley, L. H. Jeffery, Oswyn Murray, Chester Starr and others, not to mention a recent volume of the Cambridge Ancient History, bear witness to the vigor of recent scholarship in this area. Among many of these treatments of the period, moreover, is evident an increasing recognition of the close connection between social and economic developments and the political life of the Greek cities of the period. At the same time that this renewed interest in the Archaic Age has become so prominent in classical studies, a group of scholars working in more modern periods has developed a fresh approach to the role of ritual and ceremonial in civic life, especially during the European Middle Ages and Renaissance. Deeply influenced by cultural anthropology, they have found in the often surprisingly rich documentation about festivals, processions, charivaris etc. important insights into the societies in which these activities took place. Classicists looking upon this movement may be inclined to undervalue its originality and perhaps its controversiality, pointing out that a serious interest in ancient festivals has long been prominent in classical scholarship and is well represented in recent books such as those by Mikalson, Parke and Simon and such older works as Martin Nilsson's frequently cited Cults, myths, oracles and politics in ancient Greece (Lund 1951). Yet there is a great difference both in method and in results between the traditional approaches to ceremonial represented in the study of ancient Greece and those being developed in more recent fields.
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