Influenza Epidemic in Pennsylvania: Epidemiologic Features, 1968-69

Clinical, epidemiologic, and virologic features of dengue in the 1998 epidemic in Nicaragua.

From July to December 1998, a hospital- and health center-based surveillance system for dengue was established at selected sites in Nicaragua to better define the epidemiology of this disease. Demographic and clinical information as well as clinical laboratory results were obtained, and virus isolation, reverse transcriptase-polymerase chain reaction, and serologic assays were performed. World ...

Epidemic Influenza

I am not aware of any reason why I should have been asked to open a discussion to-night on the subject of Influenza, except this one: that as Physician to Clifton College I have had an opportunity, during the months of January, February, and March, of witnessing an outbreak of this disease among the members of the School?an outbreak which has affected more or less all classes of persons in the ...

Acute Disseminated Encephalomyelitis in Childhood; Epidemiologic, Clinical, and Laboratory Features

Background: Acute disseminated encephalomyelitis (ADEM), which occurs spontaneously or after systemic viral infection and vaccination mostly affects children. This study aims at describing the epidemiologic, clinical, neuroimaging, laboratory features, treatment and outcome in children who diagnosed as having ADEM and admitted in a referral center in Tehran. Methods: This descriptive prospectiv...

Epidemic psychogenic illness in an industrial setting--Pennsylvania.

Epidemiologic Features of Appendicitis

Though appendicitis is common many important questions remain unanswered. When is the appendix normal and when is it the cause of abdominal pain? Why does appendicitis primarily affect older children and young adults? Why is appendicitis uncommon in those under five years of age and in those over sixty years of age? Why are boys affected more often than girls? Why does appendicitis appear to ru...