Microbe Magazine
Cover Image
Cover: Stem rust of wheat caused by Puccinia graminis. New P. graminis pathotypes threaten wheat crops worldwide; most farmers plant a few varieties of rust-resistant wheat. Scientists are rushing to develop new varieties as insurance against spread of the new pathotypes (see p. 423). (USDA photo.)
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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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