PubMed · 7013615
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P S Brachman. 1980. Inhalation anthrax.. https://doi.org/10.1111/j.1749-6632.1980.tb18910.x
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Airborne dispersal enables plant pathogens to travel across fields, regions, and continents, fueling rapid epidemics and emerging disease threats. Biosurveillance, the systematic monitoring of airborne inoculum, offers the opportunity to detect pathogens before symptoms appear and informs timely, risk-based management. Recent advances in air sampling, molecular diagnostics, metagenomics, and imaging technologies have expanded the scale and resolution of pathogen monitoring, from single-species qPCR assays to community-level aerobiome surveys. Integration of biosurveillance data with decision-support systems, remote sensing, and artificial intelligence is transforming early-warning capabilities and providing novel insights into pathogen ecology, evolution, and fungicide resistance. Yet major challenges remain, including assay standardization, data interpretation, and translation into actionable tools for growers. This review synthesizes current approaches, highlights case studies in which biosurveillance has advanced disease management, and outlines future directions toward coordinated surveillance networks and precision agriculture applications.
The atmospheric dispersion of virus was simulated using a computer model which had been developed for predicting the dispersion of toxic gases from chemical engineering plants. The results were compared with data from four outbreaks in which virus was believed to have been transported by air: two outbreaks of foot-and-mouth disease in the United Kingdom in 1967 and outbreaks of Aujeszky's disease in Yorkshire in 1981 to 1982 and Indiana in 1988. There was relatively good agreement with most of these data. The paper shows that the model could be useful in an emergency because the risk of virus spread could be predicted in real time.
The effect of floor cleaning on bacteria, organic materials and particles in the patients' rooms was studied at Ullevål University Hospital, Oslo, Norway. Four cleaning methods were compared; dust-adhesive (dry), humified, wet mopping, and regular wet washing (RWW) without a mop. The following tests were taken from the floor before and after cleaning: bacterial counts (colony forming units = CFU) and ATP (presence of organic materials), and from the air: CFU/m3 air, and particle counts/m3 air. Humified mopping and dry mopping reduced the bacterial counts from the floor by 75% and 55% respectively (p = 0.005 and p = 0.014, using contact medium). The wet mopping had no statistically significant effect, while the wet washing even increased the CFU on the floor by 35-50% (p = 0.017 with contact medium, and p = 0.028 with petrifilm). The two wet methods were the most effective, however, in removing organic materials from the floor; 65% to 70% reduction (p = 0.051 and p =0.008). The CFU/m3 air was low both before (50-130 CFU/m3) and after (70-110 CFU/m3) cleaning. A slight increase in airborne particles was measured after dry mopping. Combined use of humified mopping and wet mopping is recommended, but is dependent on a well prepared and finished floor surface.