affordable diagnostics

Last week, the Wall Street Journal reported that a Nepalese man detained at the U.S.-Mexico border has extremely drug-resistant tuberculosis, XDR-TB. Tuberculosis, a potentially fatal disease that can be passed through the air, has historically been curable with appropriate treatment. However, new strains of TB that are resistant to available drugs have recently emerged and pose a significant public health threat. Some strains are resistant to only a few drugs (multi-drug resistant TB) while other strains, such as the one carried by the man in this story, are resistant to nearly all existing drugs. Because of this, XDR-TB is extremely difficult to treat and experts warn that new drugs will...
An article in the most recent issue of The Scientist highlighted the importance of affordable diagnostics for global health. Although scientific advances have improved treatment options for many global diseases, a lack of effective, low-cost diagnostics hinders the health of many in the developing world. For example, medicines to treat HIV and tuberculosis have been life-saving for many individuals, but they can cause liver damage and patients on these medications must be monitored. However, the primary test for liver damage requires expensive equipment that is simply not available in low-income countries. To solve this problem, a Massachusetts biotech company, Diagnostics For All ,...

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Paul Marinec, PhD; University of California San Francisco