PNEUMONIC FEVER—ITS SYMPTOMOLOGY.

Pneumonic plague.

The primary pneumonic plague outbreaks in Oakland in 1919 and Los Angeles in 1924 constitute good points of reference for epidemiological observations and experimental studies on this form of plague. Retrospective analysis of them reveals some still unanswered questions. In the Oakland outbreak (24), a man went hunting in the hills of Contra Costa County in April 1919 and perhaps took home a sq...

Sunk costs, psychological symptomology, and help seeking

Individuals often allow prior investments of time, money or effort to influence their current behavior. A tendency to allow previous investments to impact further investment, referred to as the sunk-cost fallacy, may be related to adverse psychological health. Unfortunately, little is known about the relation between the sunk-cost fallacy and psychological symptoms or help seeking. The current ...

Investigation of Pneumonic Plague, Madagascar

To the Editor: In an investigation of a pneumonic plague outbreak in Madagascar, Ramasindrazana et al. reported isolation of Yersinia pestis from 2 patients and seroconversion in 2 additional patients; these data indicated 4 (28.7%) of 14 diagnosed cases among described cases (1). The risk for overestimation of pneumonic plague contagion was illustrated by an outbreak in the Democratic Republic...

Pneumonic Plague Cluster, Uganda, 2004

The public and clinicians have long-held beliefs that pneumonic plague is highly contagious; inappropriate alarm and panic have occurred during outbreaks. We investigated communicability in a naturally occurring pneumonic plague cluster. We defined a probable pneumonic plague case as an acute-onset respiratory illness with bloody sputum during December 2004 in Kango Subcounty, Uganda. A definit...

Pneumonic aspergillosis complicating healed tuberculosis.