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.
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A handful of species have learned how to survive in freezing climates. To do so, the animals must counteract the damaging effects of ice crystal formation, or keep from freezing altogether. Here are a few ways they do it.
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.
Why scientists are so near and yet so far from being able to cryopreserve organs
A genetic analysis of Siberians finds three genes that have evolved to help the populations weather the frigid winters.
Researchers and biotech companies are bringing a universal flu vaccine closer to reality.
Fat cells behave differently in obese individuals, causing inflammation and insulin resitance.
The healing powers of maggots may lie in their secreted proteins, which restrain the human immune response.
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