Tissue morphology of Histoplasma capsulatum in acute histoplasmosis
is acquired from inhalation of spores.
We report a cluster of 4 cases of acute histoplasmosis (1 culture proven and 3 with positive serology, of which 2 were symptomatic) associated with exposure to soil during a golf course renovation, Patients in western Canada with compatible symptoms should be tested for histoplasmosis, regardless of their travel or exposure history.
Outbreaks and clusters of acute histoplasmosis from common sources are occasionally reported.
OBJECTIVE: The objective of this study was to determine the etiology and risk factors for acute histoplasmosis in two outbreaks in Illinois among laborers at a landfill in 2001 and at a bridge reconstruction site in 2003.
For the bridge investigation, we describe the value of rapid diagnostic tests to detect an acute histoplasmosis outbreak in a workplace and the use of test results to spur awareness of histoplasmosis among residents potentially at risk for infection in the surrounding community.
We defined a clinical case of acute histoplasmosis as an influenza-like illness (i.
From company A, the attack rate for acute histoplasmosis cases was 73% (8 of 11).
All 5 ill workers had serologic evidence of acute histoplasmosis infection, and 3 of the 5 had positive detection for histoplasma antigen in urine collected on 28 August.
Based on the partcipant's exposure to a cave with hats and clinical characteristics suggestive of acute histoplasmosis, diagnostic testing for histoplasmosis was conducted.
A case of acute histoplasmosis was defined as illness in a person who tested positive by one of the following laboratory tests: serology, urine antigen, histopathology, or culture.
Acute histoplasmosis in spelunkers returning from Mato Grosso, Peru.