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Abstract:The influx of Latino laborers into the U.S. and the confluence of migration-driven factors in an environment ripe for risk-taking have the potential to exacerbate already rising STI/HIV rates among migrants and their social networks at both the home and receiving regions. This paper focuses on Mexican migrant laborers who are among the most marginalized and exploited Latinos in the U.S. This study used ethnographic methods to delineate the sociocultural and spatial contexts and social organization of migrant farmwork, and examined how intertwined individual and environmental factors render migrant farmworkers vulnerable to STI/HIV risks. Findings indicate the presence of a number of factors in the study population of Mexican migrant workers (N = 23)-such as poverty, limited education, physical/social/cultural isolation, long work hours, constant mobility, hazardous work conditions, limited access to health care, low rates of condom use, multipartnering, and use of sexworkers-which increase their risks for STI/HIV transmission. To be successful, prevention efforts need to focus not only on condom education and HIV awareness and testing, but also on reducing migrants' social isolation and understanding their social networks.

Participatory research documented the hunting yields of 59 households in five neighboring indigenous villages in western Panama. These households captured 2,580 kg of game over 8 months, with 47% of the harvest coming from agricultural areas. The quantity of game captured in anthropogenic habitats is influenced by the hunting strategies employed. Only 25% of game captured during hunting trips was captured in agricultural areas, as opposed to 93% while "awaiting" and 65% using traps. Reliance on different strategies is in turn dependent on age, gender, and access to firearms. I argue that garden hunting is not a response to game depletion, but rather a productive activity that is complementary to broader cultural and economic patterns, and that simultaneously protects crops from animal predation. The creation of heterogeneous habitat mosaics through shifting cultivation has played a key role in the relationship between people and wildlife in the humid neotropics, leading to adjustments in both animal foraging patterns and indigenous hunting practices.

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Since 2001, many state and local health departments have implemented automated systems to monitor healthcare use and to promptly identify and track epidemics and other public health threats. In 2007-08, we conducted case studies of selected events with actual or potential public health impacts to determine whether and how health departments and hospitals used these new systems. We interviewed public health and hospital representatives and applied qualitative analysis methods to identify response themes. So-called "syndromic" surveillance methods were most useful in situations with widespread health effects, such as respiratory illness associated with seasonal influenza or exposures to smoke from wildfires. In other instances, such as a tornado or hazardous material exposures, these systems were useful for detecting or monitoring health impacts that affected relatively few people, or they were used to affirm the absence of outbreaks following natural disasters or the detection of a potential pathogen in air samples. Typically, these data supplemented information from traditional sources to provide a timelier or fuller mosaic of community health status, and use was shaped by long-standing contacts between health department and hospital staffs. State or local epidemiologists generally preferred syndromic systems they had developed over the CDC BioSense system, citing lesser familiarity with BioSense and less engagement in its development. Instances when BioSense data were most useful to state officials occurred when analyses and reports were provided by CDC staff. Understanding the uses of surveillance information during such events can inform further investments in surveillance capacity in public health emergency preparedness programs.