Immune Science

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Cows in a field

SMELL THAT  Breathing in dust from dairy farms could protect kids from developing allergies and asthma. Dried-up cow manure could harbor the bits of bacteria that tell lung cells to calm down when faced with allergens.

poliovirus

CHANGING FACE  An immunodeficient man has been excreting live poliovirus for 28 years. His viral strains differ from the one he received in a vaccine. A simulated virus particle shows some of these changes, in surface regions (red) that interact with human immune proteins and elsewhere (blue).   

GOOD SHOT  A test vaccine given to camels and monkeys gins up immunity against the MERS virus (shown here in a colorized micrograph).

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