Since the spring of 1977, two subtypes of influenza A virus (H3N2 and H1N1) have been seasonally infecting the human population. In this work we study the distribution of patient ages within the populations that exhibit the symptomatic disease caused by each of the different subtypes of seasonal influenza viruses. When the publicly available extensive information is pooled across multiple geogr...

THE medical literature of the ancient Greeks is bulky enough to be put beside the complete extant works of Plato and Aristotle, but its public among classical scholars is now small, while among medical men only those study it who take a special interest in the history of their profession. A hundred years ago this was not so, for then the Hippocratic and similar writings had only just become obs...

The diagnosis of thyroid disease now often can be achieved reliably by measuring thyrotropin (TSH) alone. Thyroxine (T4), triiodothyronine, and other analytes are only needed if TSH and the accompanying clinical condition are discordant. We describe here work that confirms the age independence of TSH in both inpatient and outpatient euthyroid hospital populations between ages 20 and at least 80...