Epidemiology

What factors determine and influence disease? Westat’s epidemiological research helps to understand the characteristics of disease, the prevalence of disease, and how disease affects society. Our health research encompasses more than 200 epidemiologic studies, including surveillance, assessment, and monitoring.

Project Highlights

Does cancer screening save lives?

Questions about the efficacy of screening are key to impacting cancer morbidity and mortality. The Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial was designed by the National...

Examining the risks of diesel fume exposure

Exposure to diesel exhaust increases the risk of lung cancer, studies show, but it isn’t clear how much exhaust is dangerous. Miners come in contact with some of the...

Improving the surveillance of HIV in Senegal

To better prevent and control the spread of HIV, the West African country of Senegal is working to establish a high-quality, country-wide HIV surveillance system. Like other countries in...

Monitoring Zika in Mexico

As in so many countries, Mexico faces a variety of mosquito-borne viruses, including Zika, chikungunya, and dengue. Westat will help conduct research in Mexico, sponsored by the National Institute...

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