Microbe Magazine
Cover Image
Cover: Polarized light micrograph of cortisol crystals. Cortisol, a steroid hormone released in response to stress, suppresses the immune system. Stress has been linked to a wide range of health problems (see p. 305). (Image © David Parker/Photo Researchers, Inc.)
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Microbe Magazine, Cover Image
Cover ImageVaccines are crucial for controlling the spread of influenza, but currently are only effective against a limited mix of strains. A universal vaccine remains elusive, but progress is being made (see p. 433). (Image © James King-Holmes/ Science Source.)
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