Archive: 3/06/2015

USDA: Bird flu vaccine not good enough for outbreak

A bird flu vaccine doesn't work well enough to approve it for emergency use against the current outbreak that's shaken the Midwest poultry industry, the U.S. Department of Agriculture said Wednesday.

Researchers home in on what's wearing out T cells

Sometimes even cells get tired. When the T cells of your immune system are forced to deal over time with cancer or a chronic infection such as HIV or hepatitis C, they can develop 'T cell exhaustion,' becoming less effective ...

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