The global spread of dengue virus has immunologists and public-health experts debating the best way to curb infection.
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A study suggests that some mouse models do not accurately mimic human molecular mechanisms of inflammatory response, but other mouse strains may fare better.
Some of the 200 or so human embryonic stem cell lines approved for federal funding may have been derived from sperm or eggs of unconsenting donors.
One of the most advanced tuberculosis vaccines has failed to protect infants from getting the disease in a clinical trial, but it may be effective in adults.
With dogged persistence and an unwillingness to entertain defeat, Bruce Beutler discovered a receptor that powers the innate immune response to infections—and earned his share of a Nobel Prize.
Some of these insidious viruses expertly subvert the host immune system, allowing their unhindered proliferation.
Researchers and biotech companies are bringing a universal flu vaccine closer to reality.
2012 saw the birth of a handful of non-invasive genetic prenatal tests, but the young industry faces growing pains as legal and ethical questions loom.
Fat cells behave differently in obese individuals, causing inflammation and insulin resitance.
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