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      "text": "Eva identified 1.5x - 4x more positive infections at a given testing fraction than random selection.",
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      "text": "There is often limited testing capacity at borders. A solution could be a robust automated system capable of accurately predicting who should be tested.\nEva is based on multi-armed bandits, which are able to balance two objectives: (a) maximizing the number of tests allocated to types of individuals identified as likely to be asymptomatic carriers of the virus and (b) allocating tests to new types of individuals in order to better estimate their infection likelihood.\nEva managed to achieve great success despite using the minimum possible data in order to comply with the GDPR. It is worth noting than random selection is perhaps not the most rigorous baseline.",
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