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Category: Respiratory Health

Coccidioidomycosis: An Enduring Work-Related Disease

Background Coccidioidomycosis, also known as Valley Fever, is a disease caused by the fungus Coccidioides. The fungus grows in the soil in very dry areas. Coccidioidomycosis is endemic (native and common) in the southwestern United States, the Central Valley of California, Mexico, and parts of Central and South America [CDC 2013a]. About 150,000 new infections Read More >

Posted on by Marie A. de Perio, MD; Gregory A. Burr, CIH10 Comments

Do We Need to Challenge Respirator Filters With Biological Aerosols?

The purpose of this NIOSH Science Blog is to explain what is currently known about an important aspect of respirator filtration.  For decades, respirator researchers have been asked whether filters need to be tested with aerosols similar to those encountered in the environment (Figure 1).  Common sense suggests that viruses or bacteria are collected differently Read More >

Posted on by Lisa M. Brosseau, ScD, CIH and Ronald Shaffer, PhD 5 Comments

Silica Hazards from Engineered Stone Countertops

A new engineered stone countertop product known as “quartz surfacing,” was created in the late 1980s by combining quartz aggregate with resins to create a product for use in home building and home improvement.  Manufacturing of this material, including products such as CaesarStone™, Silestone™, Zodiaq™, or Cambria™ is a fast growing industry.  First made in Read More >

Posted on by Karen Worthington, MS, RN, COHN-S; Margaret Filios, SM, RN; Mary Jo Reilly, MS; Robert Harrison, MD, MPH; and Kenneth D. Rosenman, MD 48 Comments

Powerful New Videos Encourage Those Who Qualify to Seek Care through the World Trade Center Health Program

Though the September 11th attacks were over a decade ago, thousands of people who were in the affected areas continue to experience physical and mental health symptoms as a result of their experience in the days, months, and even years following 9/11. They may not recognize that some cancers, a chronic cough, difficulty sleeping, or Read More >

Posted on by Melissa Van Orman, MA25 Comments

Happy N95 Day! A Guide to N95 Resources

  Welcome to year two of this NIOSH-approved observance, marking N95 day as an official annual event. (We debated about decorating our offices with N95s – but that seemed a tad wasteful). To those who missed the memo last year, let us update you. Because N95 respirators are so important to the health and safety Read More >

Posted on by Jaclyn Krah, MA 13 Comments

Contractors Wanted: Help NIOSH Advance Research to Protect Workers from Silica

Are you a contractor whose company has at least three years of field experience cutting fiber cement siding with a circular saw? Has your company installed fiber cement siding on at least three large residential jobs? Do you have an upcoming job where fiber cement siding will be cut and installed for at least eight Read More >

Posted on by Chaolong Qi, PhD12 Comments

Lung Cancer Screening in the Occupational Setting – An Update

  Last year we posted two blogs on the use of computerized tomography (CT) scans of the chest for lung cancer screening — Helical CT Scans and Lung Cancer Screening1  and Low-dose CT Scans and Lung Cancer Screening in the Occupational Setting.2   Since the postings, various organizations have provided guidance with differing implications for early detection Read More >

Posted on by Simone Tramma, MD, MS; Eileen Storey, MD, MPH; David Weissman, MD 2 Comments

Wildland Fire Fighting Safety and Health

Wildland fires continue to increase in the Western United States as hot, dry and windy conditions persist, resulting in an extended fire season and factors conducive to fires. Currently, drought conditions are prevalent in the West due to low snow-pack levels, below average rainfall, record setting temperatures and high winds, resulting in a greater than Read More >

Posted on by Corey Campbell and Liz Dalsey 27 Comments
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