T he number of Americans at least 100 years old is expected to grow dramatically over the coming years. In December 2010, 71 991 centenarians lived in the United States, almost double the number there were 20 years ago. By 2050, the number of centenarians is expected to reach 601 000, a 735% increase. Despite the growing numbers, the health care use of this population remains largely unexamined...

Influenza epidemics occur during the winter months in the Northern Hemisphere (October– March) and cause approximately 20 000 deaths per year in the US1. Influenza viruses cause disease at all ages with infection rates highest among children, especially those 0–6 months of age, and serious illness and death rates highest among those aged 65 years and over. Persons at any age who have medical co...

During a 4-year multicenter cooperative study of acquired factor VIII inhibitors in persons with hemophilia A. new inhibitors were detected in 31 of 1 .306 patients who entered the study without an inhibitor or the history of an inhibitor. The incidence of new inhibitors was eight per 1 .000 patient-years of observation. The factor Vlll:C level before inhibitor development was 0.03 U/mi in 29 m...

During a 4-year multicenter cooperative study of acquired factor VIII inhibitors in persons with hemophilia A. new inhibitors were detected in 31 of 1 .306 patients who entered the study without an inhibitor or the history of an inhibitor. The incidence of new inhibitors was eight per 1 .000 patient-years of observation. The factor Vlll:C level before inhibitor development was 0.03 U/mi in 29 m...

The estimated population of Viet Nam was 86 025 000 in 2009, 49.4% of them male. The population density is 263 persons per square kilometre, with most (70.3%) of the population living in rural areas. Over the past few years, the country has witnessed a gradual change in its population structure. In 2009, 25% of the population was aged 0-14 years, a decrease of 8.1% in comparison with 1999. Howe...

During a 4-year multicenter cooperative study of acquired factor VIII inhibitors in persons with hemophilia A. new inhibitors were detected in 31 of 1 .306 patients who entered the study without an inhibitor or the history of an inhibitor. The incidence of new inhibitors was eight per 1 .000 patient-years of observation. The factor Vlll:C level before inhibitor development was 0.03 U/mi in 29 m...

A lthough it sounds disastrous, making a $100,000 mistake seems relatively minor when stockbrokers have lost millions by hitting the wrong key. The following case proved to be different, however. An ordinary bank customer, Grete Fossbakk, used Internet banking to transfer a large amount to her daughter. She keyed one digit too many into the account number field, however, inadvertently sending t...