An international team of researchers has found that it is possible to use portable DNA sequencers to learn more about a viral outbreak as the outbreak is occurring. In their paper published in the journal Science, the group describes their analysis of Lassa DNA in afflicted patients during a recent outbreak in Nigeria, and what they found. Nahid Bhadelia with the Boston University School of Medicine and National Emerging Infectious Diseases Laboratories, has written a Perspective piece on the work done by the team in the same journal issue.

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